Sin 150 degrees in fraction

Trigonometry. Find the Exact Value sin (630) sin(630) sin ( 630) Remove full rotations of 360 360 ° until the angle is between 0 0 ° and 360 360 °. sin(270) sin ( 270) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant.

Sin 150 degrees in fraction. FAQs on Cos 150 Degrees What is Cos 150 Degrees? Cos 150 degrees is the value of cosine trigonometric function for an angle equal to 150 degrees. The value of cos 150° is −√3/2 or -0.866 (approx) What is the Value of Cos 150 Degrees in Terms of Tan 150°? We know, using trig identities, we can write cos 150° as -1/√(1 + tan²(150 ...

Value of Sin 15 degrees can be found by the help of other trigonometric ratios at various degrees. We use sin 30 degrees to calculate the value of sin 15. Login. ... The value of cos 15 degrees, in the form of fraction, is √3+1/2√2. Question: What is …

For sin 90 degrees, the angle 90° lies on the positive y-axis. Thus, sin 90° value = 1. Since the sine function is a periodic function, we can represent sin 90° as, sin 90 degrees = sin (90° + n × 360°), n ∈ Z. ⇒ sin 90° = sin 450° = sin 810°, and so on. Note: Since, sine is an odd function, the value of sin (-90°) = -sin (90°).Feb 16, 2017 · sin150° = 0.5. sin 150° = 0.5. sin 150 degrees = 0.5. The sin of 150 degrees is 0.5, the same as sin of 150 degrees in radians. To obtain 150 degrees in radian multiply 150° by π / 180° = 5/6 π. Sin 150degrees = sin (5/6 × π). Our results of sin150° have been rounded to five decimal places. If you want sine 150° with higher accuracy ... Sin 330 degrees is the value of sine trigonometric function for an angle equal to 330 degrees. ... Sin 330° in fraction:-(1/2) Sin (-330 degrees): 0.5; Sin 330° in radians: sin (11π/6) ... We can use trigonometric identities to represent sin 330° as, sin(180° - … Order of Operations Factors & Primes Fractions Long Arithmetic Decimals ... To Mixed Number To Improper Fraction Radians to Degrees Degrees to Radians ... sin 150. en ... For sin 50 degrees, the angle 50° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 50° value = 0.7660444. . . Since the sine function is a periodic function, we can represent sin 50° as, sin 50 degrees = sin (50° + n × 360°), n ∈ Z. ⇒ sin 50° = sin 410° = sin 770°, and so on.

sec 210 = 1/cos 210 = 1/cos (30 + 180) = 1/(-cos 30) . Since (-cos 30) = (-sqr3)/2, then sec 210 = -2/(sqr3) = -(2.sqr3)/3Algebra. Fraction Calculator. Step 1: Enter the fraction you want to simplify. The Fraction Calculator will reduce a fraction to its simplest form. You can also add, subtract, multiply, and divide fractions, as well as, convert to a decimal and work with mixed numbers and reciprocals. We also offer step by step solutions.sin(A – B) = [sin(A).cos(B)] – [cos(A).sin(B)] How do I find the value of sin 150° in fraction form? Solution: Method 1: sin(150°) We can write 150° as 180° – 30° So, …Answer: sin (5°) = 0.0871557427. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 5 degrees - sin (5 °) - or the sine of any angle in degrees and in radians.This guide evaluates 25 of the best online degrees for accounting students. Updated April 14, 2023 thebestschools.org is an advertising-supported site. Featured or trusted partner ...Crude oil is separated into fractions by a technique called fractional distillation. This technique separates the hydrocarbons into fractions by heating the crude oil to about 400 ...The US government is set today to officially label Boko Haram, a Nigerian Islamist group, a ”foreign terrorist organization.” That means authorities would have the power to block f...To convert from degrees to radians, multiply the number of degrees by π/180. This will give you the measurement in radians. If you have an angle that's 90 degrees, and you want to know what it is in radians, you multiply 90 by π/180. This gives you π/2. Created by Sal Khan and Monterey Institute for Technology and Education.

The formula to convert radians to degrees: degrees = radians * 180 / π What is cotangent equal to? The cotangent function (cot(x)), is the reciprocal of the tangent function.cot(x) = cos(x) / sin(x)Explanation: sin(150∘) = sin(180∘ − 30∘) = sin30∘. because sin is positive in the 2nd quadrant, so. sin30∘ = 1 2. Find sin 150 You may find sin 150 by 2 ways: First way. Trig Table gives --> sin 150 deg, or sin ( (5pi)/6), = 1/2 Second way: by the trig unit circle. sin ( (5pi)/6) = sin (pi/6) = 1/2.sin(225) sin ( 225) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant. −sin(45) - sin ( 45) The exact value of sin(45) sin ( 45) is √2 2 2 2. − √2 2 - 2 2. The result can be shown in multiple forms.Explanation: For sin 30 degrees, the angle 30° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 30° value = 1/2 or 0.5. Since the sine function is a periodic function, we can represent sin 30° as, sin 30 degrees = sin (30° + n × 360°), n ∈ Z. ⇒ sin 30° = sin 390° = sin 750 ...

Just the 2 of us lil travieso lyrics.

Trigonometry. Find the Exact Value sin (240 degrees ) sin(240°) sin ( 240 °) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant. −sin(60) - sin ( 60) Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.Answer: sin (37°) = 0.6018150232. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 37 degrees - sin (37 °) - or the sine of any angle in degrees and in radians.To find the value of cos 135 degrees using the unit circle: Rotate ‘r’ anticlockwise to form 135° angle with the positive x-axis. The cos of 135 degrees equals the x-coordinate (-0.7071) of the point of intersection (-0.7071, 0.7071) of unit circle and r. Hence the value of cos 135° = x = -0.7071 (approx)

cos 110° = -0.34202. cos 110 degrees = -0.34202. The cos of 110 degrees is -0.34202, the same as cos of 110 degrees in radians. To obtain 110 degrees in radian multiply 110° by π / 180° = 11/18 π. Cos 110degrees = cos (11/18 × π). Our results of cos110° have been rounded to five decimal places. If you want cosine 110° with higher ...Make the expression negative because sine is negative in the fourth quadrant. Step 2. The exact value of is . Step 3. The result can be shown in multiple forms. Exact ...For sin 15 degrees, the angle 15° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 15° value = (√6 - √2)/4 or 0.2588190. . . Since the sine function is a periodic function, we can represent sin 15° as, sin 15 degrees = sin (15° + n × 360°), n ∈ Z. ⇒ sin 15° = sin 375 ...The value of cot 150 degrees can be calculated by constructing an angle of 150° with the x-axis, and then finding the coordinates of the corresponding point (-0.866, 0.5) on the unit circle. The value of cot 150° is equal to the x-coordinate (-0.866) divided by the y-coordinate (0.5). ∴ cot 150° = -1.7321. Download FREE Study Materials.The origin of stock market fractions dates back to the establishment of the American stock market. Learn where stock fractions came from. Advertisement Ever since the New York Stoc...Tap for more steps... −1 2 - 1 2. The result can be shown in multiple forms. Exact Form: −1 2 - 1 2. Decimal Form: −0.5 - 0.5. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.The seven deadly sins, or cardinal sins as they’re also known, are a group of vices that often give birth to other immoralities, which is why they’re classified above all others. T...Sine calculator to easily calculate the sine function of any angle given in degrees or radians. Calculate sin(x) with this trigonometry calculator. Sin angle calculator with degrees and radians. ... 150 ° 5π/6: 0.50: 180° π: 0 ... Fraction. Trigonometry. Area. Volume. Random Number. Password Generator. Age. Days. Time card. BMI. Body Fat ...The sine of an angle is the length of the opposite side divided by the length of the hypotenuse with the assumption that the angle is acute (. 0 ° < α < 90 °. \small0\degree < \alpha < 90\degree 0° < α < 90° or. 0 < α < π / 2. \small0 < \alpha < \pi/2 0 < α < π/2 ). The other sine definition is based on the unit circle.For sin 50 degrees, the angle 50° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 50° value = 0.7660444. . . Since the sine function is a periodic function, we can represent sin 50° as, sin 50 degrees = sin (50° + n × 360°), n ∈ Z. ⇒ sin 50° = sin 410° = sin 770°, and so on.

For sec 15 degrees, the angle 15° lies between 0° and 90° (First Quadrant ). Since secant function is positive in the first quadrant, thus sec 15° value = √6 - √2 or 1.0352761. . . ⇒ sec 15° = sec 375° = sec 735°, and so on. Note: Since, secant is an even function, the value of sec (-15°) = sec (15°).

cosec (180° – θ) = – cosec θ.Explanation: sin( − 150∘) = − sin(150∘) = − sin(180∘ −30∘) = − sin(30∘) ( ∵ sin(180∘ − θ) = sinθ) = − 1 2. Answer link. Jacobi J. Jul 21, 2018. − 1 2. Explanation: …0. 0 0. − ∞. -\infty −∞. 🙋 Remember that all trigonometric functions have a periodicity of 2\pi 2π: this means that for every angle \alpha α, the exact calculated value of the trig function f f satisfies the rule: f (\alpha) = f (2k\pi+\alpha) f (α)= f (2kπ +α), where k k is any integer number. Next, you can find the exact value ...Make the expression negative because sine is negative in the fourth quadrant. Step 2. The exact value of is . Step 3. The result can be shown in multiple forms. Exact ...Considering a human resources degree, but not sure what you can do with one? Explore our guide to everything you should know about HR degrees. Written by TBS Staff Contributing Wri...Find the Exact Value sin(75) Step 1. Split into two angles where the values of the six trigonometric functions are known. Step 2. Apply the sum of angles identity ...: Get the latest SIN CARS INDUSTRY AD Registered Shs stock price and detailed information including news, historical charts and realtime prices. Indices Commodities Currencies Sto...Increased Offer! Hilton No Annual Fee 70K + Free Night Cert Offer! Hilton Grand Vacations has a new timeshare offer. You can get a three night stay and 50,000 Hilton Honors points ...

Troy bilt pony riding mower parts.

Does marie osmond wear a wig.

Answer: sin (135°) = 0.7071067812. sin (135°) is exactly: √2/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 135 degrees - sin (135 °) - or the sine of any angle in degrees and in radians. Popular Problems. Precalculus. Find the Value Using the Unit Circle 150 degrees. 150° 150 °. Evaluate cos(150°) cos ( 150 °). Tap for more steps... − √3 2 - 3 2. Evaluate sin(150°) sin ( 150 °). Tap for more steps...Answer: sin (30°) = 0.5. sin (30°) is exactly: 1/2. Note: angle unit is set to degrees. Online sine calculator. Accepts values in radians and in degrees. Free online sine calculator. sin (x) calculator.To find the value of sin 60 degrees using the unit circle: Rotate ‘r’ anticlockwise to form a 60° angle with the positive x-axis. The sin of 60 degrees equals the y-coordinate (0.866) of the point of intersection (0.5, 0.866) of unit circle and r. Hence the value of sin 60° = y = 0.866 (approx)For sin 50 degrees, the angle 50° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 50° value = 0.7660444. . . Since the sine function is a periodic function, we can represent sin 50° as, sin 50 degrees = sin (50° + n × 360°), n ∈ Z. ⇒ sin 50° = sin 410° = sin 770°, and so on.The sin of 15 degrees equals the y-coordinate whereas cos of 5 degrees equals the x-coordinates of the point of intersection of unit circle and r. Whenever we plot an angle, its cosine value lies on the horizontal x-axis whereas as its sine value lies on the y-axis.Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.Increased Offer! Hilton No Annual Fee 70K + Free Night Cert Offer! Hilton Grand Vacations has a new timeshare offer. You can get a three night stay and 50,000 Hilton Honors points ...cos 80° = 0.17365. cos 80 degrees = 0.17365. The cos of 80 degrees is 0.17365, the same as cos of 80 degrees in radians. To obtain 80 degrees in radian multiply 80° by π / 180° = 4/9 π. Cos 80degrees = cos (4/9 × π). Our results of cos80° have been rounded to five decimal places. If you want cosine 80° with higher accuracy, then use ...Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles. In particular, the trigonometric functions relate the angles of a right triangle with ratios of its side lengths. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical ...Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.Sine Calculator. In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse). ….

Related Queries: 1000th digit of sin(15 °) continued fraction of sin(15 °) table sin(15 °)(k 15 °) for k = 1 ... 10; convergents(sin(15 °), 20)Trigonometry. Find the Exact Value cos (150) cos (150) cos ( 150) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant. −cos(30) - cos ( …The value of cos 480 degrees in decimal is -0.5. Cos 480 degrees can also be expressed using the equivalent of the given angle (480 degrees) in radians (8.37758 . . .) ⇒ 480 degrees = 480° × (π/180°) rad = 8π/3 or 8.3775 . . . …Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles. In particular, the trigonometric functions relate the angles of a right triangle with ratios of its side lengths. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical ...sin(225°) sin ( 225 °) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant. −sin(45) - sin ( 45) The exact value of sin(45) sin ( 45) is √2 2 2 2. − √2 2 - 2 2. The result can be shown in multiple forms.Use our sin(x) calculator to find the exact value of sine of -150 degrees - sin(-150 °) - or the sine of any angle in degrees and in radians. Exact value of sine of -150 degrees as a fraction. MenuTrigonometry. Evaluate sin (315 degrees ) sin(315°) sin ( 315 °) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant. −sin(45) - sin ( 45) The exact value of sin(45) sin ( 45) is √2 2 2 2. − √2 2 - 2 2.A new legal situation could spell the end for Elvis-themed weddings in Las Vegas, so TPG sent two couples to investigate and renew their vows. Earlier this month, there was news fr...Take the inverse identity of your decimal, e.g., sin⁻¹(0.5). The resulting number is the degree of your angle. Check your results with our trigonometry calculators.Apply the sum of angles formula: Use the sum of angles formula for sine, which states that sin(A + B) = sin(A)cos(B) + cos(A)sin(B). Calculate: Plug in the values … Sin 150 degrees in fraction, Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor., For sin 0 degrees, the angle 0° lies on the positive x-axis. Thus, sin 0° value = 0. Since the sine function is a periodic function, we can represent sin 0° as, sin 0 degrees = sin (0° + n × 360°), n ∈ Z. ⇒ sin 0° = sin 360° = sin 720°, and so on. Note: Since, sine is an odd function, the value of sin (-0°) = -sin (0°) = 0., Explanation: For sin 240 degrees, the angle 240° lies between 180° and 270° (Third Quadrant ). Since sine function is negative in the third quadrant, thus sin 240° value = - (√3/2) or -0.8660254. . . Since the sine function is a periodic function, we can represent sin 240° as, sin 240 degrees = sin (240° + n × 360°), n ∈ Z. , Find the Exact Value sin (310) sin(310) sin ( 310) The result can be shown in multiple forms. Exact Form: sin(310) sin ( 310) Decimal Form: −0.76604444… - 0.76604444 …. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor., Trigonometry. Find the Exact Value sin (105) sin(105) sin ( 105) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. sin(75) sin ( 75) Split 75 75 into two angles where the values of the six trigonometric functions are known. sin(30+45) sin ( 30 + 45), To find the value of sin 225 degrees using the unit circle: Rotate ‘r’ anticlockwise to form a 225° angle with the positive x-axis. The sin of 225 degrees equals the y-coordinate (-0.7071) of the point of intersection (-0.7071, -0.7071) of unit circle and r. Hence the value of sin 225° = y = -0.7071 (approx) , Explanation: sin( − 150∘) = − sin(150∘) = − sin(180∘ −30∘) = − sin(30∘) ( ∵ sin(180∘ − θ) = sinθ) = − 1 2. Answer link. Jacobi J. Jul 21, 2018. − 1 2. Explanation: …, Trigonometry. Find the Exact Value cos (150) cos (150) cos ( 150) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant. −cos(30) - cos ( 30) , The calculator instantly tells you that sin (45°) = 0.70710678. It also gives the values of other trig functions, such as cos (45°) and tan (45°). First, select what parameters are known about the triangle. You can choose between " two sides ", " an angle and one side ", and " area and one side "., a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 180°/π ~ 57.3 degrees. secant. the length of the hypotenuse divided by the length of the adjacent side. Also equals 1/cos (θ) sin. sin (θ) is the ratio of the opposite side of angle θ ..., Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles. In particular, the trigonometric functions relate the angles of a right triangle with ratios of its side lengths. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical ... , Online degrees offer you the flexibility of getting an education that fits into your schedule. The courses are virtual, but the degree certainly isn't. If you ever dreamed of getti..., Trigonometry. Find the Exact Value sin (105) sin(105) sin ( 105) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. sin(75) sin ( 75) Split 75 75 into two angles where the values of the six trigonometric functions are known. sin(30+45) sin ( 30 + 45), $$\tan(150) = \frac{\tan (180 + \tan(-30))}{1 - \tan(180 \cdot \tan(-30))}$$, Answer: cos (150°) = -0.8660254038. cos (150°) is exactly: -√3/2. Note: angle unit is set to degrees. Use our cos (x) calculator to find the cosine of 150 degrees - cos (150 °) - or the cosine of any angle in degrees and in radians., At 150 degrees, the terminal side of the angle lies in the second quadrant making the reference angle 30 degrees. The sine of 150 degrees is -0.5 because sine is negative in the second quadrant. Similarly, the cosine of 150 degrees is -√3/2 as cosine is also negative in the second quadrant. Learn more about Trigonometry here:, From the above equations, we get sin 60 degrees exact value as √3/2. In the same way, we can find the values for cos and tan ratios. Therefore, the exact value of sin 60 degrees is √3/2. Cos 0° = Sin 90° = 1. Cos 30°= Sin 60° = √3/2. Cos 45° = Sin 45° = 1/√2. Cos 60° = Sin 30° =1/2. , a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 180°/π ~ 57.3 degrees. secant. the length of the hypotenuse divided by the length of the adjacent side. Also equals 1/cos (θ) sin. sin (θ) is the ratio of the opposite side of angle θ ..., Answer: sin (34°) = 0.5591929035. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 34 degrees - sin (34 °) - or the sine of any angle in degrees and in radians., Find the Exact Value sin (135 degrees ) sin(135°) sin ( 135 °) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. sin(45) sin ( 45) The exact value of sin(45) sin ( 45) is √2 2 2 2. √2 2 2 2. The result can be shown in multiple forms. Exact Form: √2 2 2 2., 4 days ago · Say the angle of a right angle triangle is at 30 degrees, so the value of the cosine at this particular angle is the division of 0.8660254037 The value of sec 30 will be the exact reciprocal of the value of cos 30. \[cos(30^{o}) = \frac{\sqrt{3}}{2}\] In the fraction format, the value of cos(30°) is equal to 0.8660254037. , 17 best hotels in Las Vegas, from large casinos to iconic residences. With more than 150,000 hotel rooms, Las Vegas is home to many top-notch hotel choices. Whether you’re after a ..., Calculate the value of sin 150 °: First, determine the sign of sin 150 °. It is clear that 150 ° belongs to the second quadrant. It is known that the values of sines are positive + in the …, = cos (90°+150°) = cos 240°. = sin (180°+150°) = sin 330°. Note that sin150° is periodic: sin (150° + n × 360°) = sin 150 degrees, n ∈ Z. There are more formulas for …, a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 180°/π ~ 57.3 degrees. secant. the length of the hypotenuse divided by the length of the adjacent side. Also equals 1/cos (θ) sin. sin (θ) is the ratio of the opposite side of angle θ ..., Explanation: For sin 25 degrees, the angle 25° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 25° value = 0.4226182. . . Since the sine function is a periodic function, we can represent sin 25° as, sin 25 degrees = sin (25° + n × 360°), n ∈ Z. ⇒ sin 25° = sin 385° = sin ..., Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles. In particular, the trigonometric functions relate the angles of a right triangle with ratios of its side lengths. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical ..., Answer: sin (115°) = 0.906307787. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 115 degrees - sin (115 °) - or the sine of any angle in degrees and in radians. , Answer: sin (45°) = 0.7071067812. sin (45°) is exactly: √2/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 45 degrees - sin (45 °) - or the sine of any angle in degrees and in radians., FAQs on Cos 150 Degrees What is Cos 150 Degrees? Cos 150 degrees is the value of cosine trigonometric function for an angle equal to 150 degrees. The value of cos 150° is −√3/2 or -0.866 (approx) What is the Value of Cos 150 Degrees in Terms of Tan 150°? We know, using trig identities, we can write cos 150° as -1/√(1 + tan²(150 ... , The sine formula is: sin (α) = opposite hypotenuse = a c. Thus, the sine of angle α in a right triangle is equal to the opposite side’s length divided by the hypotenuse. To find the ratio of sine, simply enter the length of the opposite and hypotenuse and simplify. For example, let’s calculate the sine of angle α in a triangle with the ..., Why Sin 30 is equal to Sin 150. The value of sin 30 degrees and sin 150 degrees are equal. Sin 30 = sin 150 = ½. Both are equal because the reference angle for 150 is equal to 30 for the triangle formed in the unit circle. The reference angle is formed when the perpendicular is dropped from the unit circle to the x-axis, which forms a right ..., Step 1: Compute the exact value of cos 150 °: Since, 150 ° = 180 °-30 ° So we can write cos 150 ° as. cos 150 ° = cos 180 °-30 ° =-cos 30 ° ∵ cos (180-θ) =-cos θ =-3 2 ∵ cos 30 ° = 3 2. Step 2: Compute the exact value of sin 150 °: We can find the value as. sin 150 ° = sin 180 °-30 ° = sin 30 ° ∵ sin 180-θ = sin θ = 1 2 ...