Sin 150 degrees in fraction

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The value of sin 135 degrees in fraction is 1/√2 or 0.7071. Now, using conversion of degree into radian we get, θ in radians = θ in degrees × (pi/180°) 135 degrees = 135° × (π/180°) rad = 3π/4 or 2.3561. sin 135° = sin(2.3561) = 1/√2 or 0.7071. Also check . cos 450 degree. sin 25 degree. tan 40 degreeInvestorPlace - Stock Market News, Stock Advice & Trading Tips Environmental, social, governance (ESG) investing has been a major theme in rec... InvestorPlace - Stock Market N...Answer: sin (150°) = 0.5. sin (150°) is exactly: 1/2. Note: angle unit is set to degrees. 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.Other interesting angles are 30\degree 30° and 60\degree 60°, as they appear in other special right triangles. For these angles, we have the sine of 30 and the sine of 60 degrees. sin ⁡ ( 30 °) = 1 / 2. \sin (30\degree) = 1/2 sin(30°) = 1/2. sin ⁡ ( 60 °) = 3 / 2. \sin (60\degree) = \sqrt {3}/2 sin(60°) = 3. .Advertisement The various components of crude oil have different sizes, weights and boiling temperatures; so, the first step is to separate these components. Because they have diff... Answer: sin (-150°) = -0.5. sin (-150°) is exactly: -1/2. Note: angle unit is set to degrees. 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. Answer: sin (25°) = 0.4226182617. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 25 degrees - sin (25 °) - or the sine of any angle in degrees and in radians.

Given trigonometric ratio: sin 135 ∘. sin 135 ∘ can be expressed as, sin 135 ∘ = sin (90 ∘ + 45 ∘) Using the identity, sin ⁡ (A + B) = sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B we can write, sin (90 ∘ + 45 ∘) = sin 90 ∘ × cos 45 ∘ + cos 90 ∘ × sin 45 ∘. We know that, sin ⁡ 45 ∘ = 1 2 cos ⁡ 45 ∘ = 1 2 sin ⁡ 90 ...Advertisement The various components of crude oil have different sizes, weights and boiling temperatures; so, the first step is to separate these components. Because they have diff...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) 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. simplify\:\frac{\sin^4(x)-\cos^4(x)}{\sin^2(x)-\cos^2(x)} simplify\:\frac{\sec(x)\sin^2(x)}{1+\sec(x)} \sin (x)+\sin (\frac{x}{2})=0,\:0\le \:x\le \:2\pi …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.For sin 70 degrees, the angle 70° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 70° value = 0.9396926. . . ⇒ sin 70° = sin 430° = sin 790°, and so on. Note: Since, sine is an odd function, the value of sin (-70°) = …The value of cos 300 degrees in decimal is 0.5. Cos 300 degrees can also be expressed using the equivalent of the given angle (300 degrees) in radians (5.23598 . . .) ⇒ 300 degrees = 300° × (π/180°) rad = 5π/3 or 5.2359 . . . Explanation: For cos 300 degrees, the angle 300° lies between 270° and 360° (Fourth Quadrant ).

As the y coordinate is 0.5, sin 30° = 0.5. Why is sine 150 degrees equal to sin 30 degrees? 150° = 180°-30° So sine 150 degress is equal to sine 30 degrees because 150 degrees is in the second quadrant where sine is positive and the related angle is 30 degrees. Equivalent values of sin 30. These are some other values which sine 30 can be ... 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) Answer: sin (120°) = 0.8660254038. sin (120°) is exactly: √3/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 120 degrees - sin (120 °) - or the sine of any angle in degrees and in radians. Search Results related to value of sin 150 degree in fraction on Search Engine17 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 ...

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Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-stepAdvertisement The various components of crude oil have different sizes, weights and boiling temperatures; so, the first step is to separate these components. Because they have diff...The hypothenuse AC can easily be calculated now: AC = √BC2 +AB2 = √12 +12 = √2. The sine is defined as the ratio between the opposed side and the hypothenuse. Therefore, sin45o = 1 √2 = √2 2. In decimal form, it is roughly 0.7071067812. Answer link. sin45^@=sqrt (2)/2 This is a common value, in which sin45^@=1/sqrt2.The Google stock split is here at last. Interested investors have the chance to buy GOOGL stock at a nearly 10-year low of just $112. Alphabet is climbing after a monumental split ...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 ...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 (225°) = -0.7071067812. sin (225°) is exactly: -√2/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 225 degrees - sin (225 °) - or the sine of any angle in degrees and in radians.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.Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-stepHints. 1. To convert degrees to radians, first convert the number of degrees, minutes, and seconds to decimal form. Divide the number of minutes by 60 and add to the number of degrees. So, for example, 12° 28' is 12 + 28/60 which equals 12.467°. Next multiply by π and divide by 180 to get the angle in radians.cos 150 degrees = -√ (3)/2. The cos of 150 degrees is -√ (3)/2, the same as cos of 150 degrees in radians. To obtain 150 degrees in radian multiply 150° by π / 180° = 5/6 π. Cos 150degrees = cos (5/6 × π). Our results of cos150° have been rounded to five decimal places. If you want cosine 150° with higher accuracy, then use the ...The sine is a trigonometric function of an angle, usually defined for acute angles within a right-angled triangle as the ratio of the length of the opposite side to the longest side of the triangle. In the illustration below, sin(α) = a/c and sin(β) = b/c. From cos(α) = a/c follows that the sine of any angle is always less than or equal to ...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.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).It uses functions such as sine, cosine, and tangent to describe the ratios of the sides of a right triangle based on its angles. What are the 3 types of trigonometry functions? The three basic trigonometric functions are: Sine (sin), Cosine (cos), and Tangent (tan).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.cosec (180° – θ) = – cosec θ.

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.

Refer to explanation We have that sin(150)=sin(180-30)=sin30=1/2 csc(150)=1/sin(150)=2 cos (150) = –cos(30) =-sqrt3/2 sec(150) = 1/cos(150)=-2/sqrt3 tan(150)=-tan ... 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. To find the sin 15 degrees, the sine and cosine values of standard angles are important. sin 0 0 = 0. cos 0 0 = 1. sin 30 0 = 1/2. cos 30 0 ... The difference formula of sine of two individual angles can be used to compute the value of sin 150. Value of Sin 15 degree = (√3 - 1) / 2√2. NCERT Study Material. NCERT Solutions. NCERT ...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...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.Find the Exact Value sin(15 degrees ) Step 1. Split into two angles where the values of the six trigonometric functions are known. Step 2. Separate negation. Step 3. Apply the difference of angles identity. Step 4. The exact value of is . Step 5. The exact value of is . Step 6. The exact value of is . Step 7. The exact value of is .Learn about supervised exercise training as a promising therapy for chronic heart failure with preserved ejection fraction on the AHA's website. Stay informed. Last Updated: April ...

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Free trigonometry calculator - calculate trignometric equations, prove identities and evaluate functions step-by-stepThe exact value of sine of angle fifteen degrees in fraction form is square root of three minus one divided by two times square root of two. The fractional value for sine of angle fifteen degrees is also written as follows. $\implies$ $\sin{(15^\circ)}$ $\,=\,$ $1 \times \dfrac{\sqrt{3}-1}{2\sqrt{2}}$ 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. In this video, we learn to find the value of sin150. Here I have applied sin(180 - x) = sin(x) identity to find the value of sin(150). The URL of the video e...Explanation: For sin 135 degrees, the angle 135° lies between 90° and 180° (Second Quadrant ). Since sine function is positive in the second quadrant, thus sin 135° value = 1/√2 or 0.7071067. . . ⇒ sin 135° = sin 495° = sin 855°, and so on. Note: Since, sine is an odd function, the value of sin (-135°) = -sin (135°).sin(150) sin ( 150) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. sin(30) sin ( 30) The exact value of sin(30) sin ( 30) is 1 2 1 2. 1 2 1 …Lufthansa First Class was an incredible way to fly. Read our in-depth review of a flight from Frankfurt to Singapore onboard this incredible airline. We may be compensated when you... Calculate the value of the sin of -15 ° To enter an angle in radians, enter sin (-15RAD) sin (-15 °) = -0.258819045102521 Sine, in mathematics, is a trigonometric function of an angle. The sine of ... As one of the previous post mentioned, sin (1.5) is irrational so the exact value of it is in fact sin (1.5). Evaluate sin(150) Step 1. Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Step 2. The exact value of is . Step 3. To convert degrees to radians, you can use the following formula: radians = π/180° × degrees. For instance, if you were trying to determine what is a 90° angle in radians, you would compute the following calculations: radians = π/180° × 90° = π/2 rad ≈ 1.5708 rad. Sounds cumbersome? ….

Or you can say, the Sine of angle α is equal to the ratio of the opposite side (perpendicular) and hypotenuse of a right-angled triangle. The trigonometry ratios sine, cosine and tangent for an angle α are the primary functions. The value for sin 45 degrees and other trigonometry ratios for all the degrees 0°, 30°, 60°, 90°,180° are ...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 ...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 ...For sin 300 degrees, the angle 300° lies between 270° and 360° (Fourth Quadrant ). Since sine function is negative in the fourth quadrant, thus sin 300° value = - (√3/2) or -0.8660254. . . ⇒ sin 300° = sin 660° = sin 1020°, and so on. Note: Since, sine is an odd function, the value of sin (-300°) = -sin (300°).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.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... Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. It uses functions such as sine, cosine, and tangent to describe the ratios of the sides of a right triangle based on its angles. What are the 3 types of trigonometry functions? The three basic trigonometric functions are: Sine (sin), Cosine (cos), and Tangent (tan).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... Sin 150 degrees in fraction, Roman Numerals Radical to Exponent Exponent to Radical To Fraction To Decimal To Mixed Number To Improper Fraction Radians to Degrees Degrees to Radians Hexadecimal Scientific ... prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx ... step-by-step. sin(150) en. Related Symbolab blog posts. Practice, practice, practice. Math can …, As you know, radians are written as a fraction with a π, such as 2π/3, 5π/4, or 3π/2. ... 45°=45pi/180 radians is the stretch of the circle at 45° and sin(45°)=sqr(2)/2 the y-value (or opposite side of triangle) at 45°. ... We're asked to convert 150 degrees and negative 45 degrees to 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), Sin 750 degrees is the value of sine trigonometric function for an angle equal to 750 degrees. Understand methods to find the value of sin 750 degrees with examples and FAQs. ... Sin 750° in fraction: 1/2; Sin (-750 degrees):-0.5; Sin 750° in radians: sin (25π/6) or sin (13.0899693 . . .), 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., Assuming trigonometric arguments in degrees | Use ... Reference triangle for angle 25° Alternate form. Number line. Continued fraction. More terms; Fraction form; Download Page. POWERED BY THE WOLFRAM LANGUAGE. Related Queries: {sin(180 deg), sin(150 deg), sin(120 deg), sin(90 deg), sin(60 deg), sin(45 deg), sin(30 deg)} …, Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor., 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 (60°) = 0.8660254038. sin (60°) is exactly: √3/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 60 degrees - sin (60 °) - or the sine of any angle in degrees and in radians., 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., As you know, radians are written as a fraction with a π, such as 2π/3, 5π/4, or 3π/2. ... 45°=45pi/180 radians is the stretch of the circle at 45° and sin(45°)=sqr(2)/2 the y-value (or opposite side of triangle) at 45°. ... We're asked to convert 150 degrees and negative 45 degrees to radians., Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history ..., Sin 60° in fraction: √3/2; Sin (-60 degrees):-0.8660254. . . Sin 60° in radians: sin (π/3) or sin ... (90° + 60°) = -cos 150° Sin 60 Degrees Using Unit Circle. To find the value of sin 60 degrees using the unit circle: Rotate ‘r’ anticlockwise to form a 60° angle with the positive x …, 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., 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., Or you can say, the Sine of angle α is equal to the ratio of the opposite side (perpendicular) and hypotenuse of a right-angled triangle. The trigonometry ratios sine, cosine and tangent for an angle α are the primary functions. The value for sin 45 degrees and other trigonometry ratios for all the degrees 0°, 30°, 60°, 90°,180° are ..., as follows: degrees/360 = fraction. 150/360 = 5/12. 150 degrees = 5/12. Below is an illustration showing you what 150 degrees and 5/12 of a circle looks like. To create the illustration above showing you 150 degrees, we first drew a circle and then drew two lines from the center, separated by 150 degrees. The slice that the two lines create ..., So, 150 degrees can be represented as 90 degrees + 60 degrees. 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 for A = 90 degrees and B = 60 degrees, which have known sine values of 1 and √3/2, respectively. So, the value of ..., Explanation: For sin 135 degrees, the angle 135° lies between 90° and 180° (Second Quadrant ). Since sine function is positive in the second quadrant, thus sin 135° value = 1/√2 or 0.7071067. . . ⇒ sin 135° = sin 495° = sin 855°, and so on. Note: Since, sine is an odd function, the value of sin (-135°) = -sin (135°)., Given trigonometric ratio: sin 135 ∘. sin 135 ∘ can be expressed as, sin 135 ∘ = sin (90 ∘ + 45 ∘) Using the identity, sin ⁡ (A + B) = sin ⁡ A cos ⁡ B + cos ⁡ A sin ⁡ B we can write, sin (90 ∘ + 45 ∘) = sin 90 ∘ × cos 45 ∘ + cos 90 ∘ × sin 45 ∘. We know that, sin ⁡ 45 ∘ = 1 2 cos ⁡ 45 ∘ = 1 2 sin ⁡ 90 ..., Sep 16, 2015 · 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# , Answer: sin (120°) = 0.8660254038. sin (120°) is exactly: √3/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 120 degrees - sin (120 °) - or the sine of any angle in degrees and in radians. , Algebra. 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., 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., Although the Bible does clearly show that people need to repent for all sins, there is no passage that says that all sins are equal; instead, the Bible shows some sins cause more g..., Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine ARTICLE: Cellular and molecular pathobiology of heart failure with preserved eject..., Many brokerages will allow you to buy and sell fractional shares in exchange-traded funds, which can be a handy way to invest if you don't have much money available to put into the..., \sin (x)+\sin (\frac{x}{2})=0,\:0\le \:x\le \:2\pi \cos (x)-\sin (x)=0 \sin (4\theta)-\frac{\sqrt{3}}{2}=0,\:\forall 0\le\theta<2\pi ; 2\sin ^2(x)+3=7\sin (x),\:x\in[0,\:2\pi ] 3\tan …, 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), To find the value of sin 315 degrees using the unit circle: Rotate ‘r’ anticlockwise to form a 315° angle with the positive x-axis. The sin of 315 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 315° = y = -0.7071 (approx) , Roman Numerals Radical to Exponent Exponent to Radical To Fraction To Decimal To Mixed Number To Improper Fraction Radians to Degrees Degrees to Radians Hexadecimal Scientific Notation Distance Weight Time Volume. Topic. Pre Algebra; ... \sin (x)+\sin (\frac{x}{2})=0,\:0\le \:x\le \:2\pi ... The formula to convert radians to degrees: ..., 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., Free math problem solver answers your trigonometry homework questions with step-by-step explanations.