Sin 150 degrees in fraction

cos(−15o) =0.9659 Explanation: cos(−15o)= cos(30o −45o) = cos30ocos45⊕sin30osin45o ... Calculate the value of the cos of 1.5 ° To enter an angle in radians, enter cos (1.5RAD) cos (1.5 °) = 0.999657324975557 Cosine the trigonometric function that is equal to the ratio of the side ... Calculate the value of the cos of 102 ° To enter ...

Sin 150 degrees in fraction. To find the value of tan 150 degrees using the unit circle: Rotate ‘r’ anticlockwise to form 150° angle with the positive x-axis. The tan of 150 degrees equals the y-coordinate (0.5) divided by x-coordinate (-0.866) of the point of intersection (-0.866, 0.5) of unit circle and r. Hence the value of tan 150° = y/x = -0.5774 (approx).

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.

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. 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) 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... Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. sin(250) sin ( 250) The result can be shown in multiple forms. Exact Form: sin(250) sin ( 250) Decimal Form: −0.93969262… - 0.93969262 …. 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 tan of 150 degrees is -√ (3)/3, the same as tan of 150 degrees in radians. To obtain 150 degrees in radian multiply 150° by π / 180° = 5/6 π. Tan 150degrees = tan (5/6 × π). Our results of tan150° have been rounded to five decimal places. If you want tangent 150° with higher accuracy, then use the calculator below; our tool ...

Reference triangle for angle 150° ... POWERED BY THE WOLFRAM LANGUAGE. Related Queries: continued fraction expansions for pi; Pade approximation sin(x) 5,5 ... Reference triangle for angle 150° ... POWERED BY THE WOLFRAM LANGUAGE. Related Queries: continued fraction expansions for pi; Pade approximation sin(x) 5,5 ...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 ...First method. Trig table, unit circle, and property of complementary arcs -->. cos150 = cos(60 + 90) = −sin60 = − √3 2. Second method: Use trig identity: cos (a + b) = cos a.cos b - sin a.sin b. cos (150) = cos (60 + 90) = cos 60.cos 90 - sin 60.sin 90 =. = - sin 60 = − √3 2. Note. cos90∘ = 0, and sin90∘ = 1. Answer link.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.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...

The value of sin 150 degrees is 0.5. Sin 150 degrees in radians is written as sin (150° × π/180°), i.e., sin (5π/6) or sin (2.617993. . .). In this article, we will discuss the methods to find the value of sin 150 degrees with examples. Sin 150°: 0.5; Sin 150° in fraction: 1/2; Sin (-150 degrees):-0.5; Sin 150° in radians: sin (5π/6 ...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.: 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...Order of Operations Factors & Primes Fractions Long Arithmetic Decimals Exponents & Radicals Ratios ... degrees-to-radians-calculator. sin 150. en. Related Symbolab ...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.Answer: sin (240°) = -0.8660254038. sin (240°) is exactly: -√3/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 240 degrees - sin (240 °) - or the sine of any angle in degrees and in radians.

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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.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.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.Sin 90 degrees is equal to one. This degree value can also be expressed in radians as sin(?/2) = 1. This value of the sine function corresponds to one-fourth of the complete arc di... Answer: sin (190°) = -0.1736481777. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 190 degrees - sin (190 °) - or the sine of any angle in degrees and in radians.

Calculate cos(150) cos is found using Adjacent/Hypotenuse. Determine quadrant: Since 90 150 180 degrees it is located in Quadrant II. sin is positive. Determine angle type: 150 > 90°, so it is obtuse. cos(150) = -√ 3 /2. Excel or Google Sheets formula: Excel or Google Sheets formula:=COS(RADIANS(150)) Special Angle ValuesAnswer: 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.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.Evaluate sin (150) 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 2. The result can be shown in multiple forms. Exact Form: 1 2 1 2. Decimal Form: 0.5 0.5.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...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.Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.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 ...

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)

Search for the angle 150 ° 150\degree 150°. As we learned before – sine is a y-coordinate, so we take the second coordinate from the corresponding point on the unit circle: sin ⁡ ( 150 ° ) = 1 2 \qquad \sin(150\degree) = \frac{1}{2} sin ( 150° ) = 2 1It 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). To find the value of tan 150 degrees using the unit circle: Rotate ‘r’ anticlockwise to form 150° angle with the positive x-axis. The tan of 150 degrees equals the y-coordinate (0.5) divided by x-coordinate (-0.866) of the point of intersection (-0.866, 0.5) of unit circle and r. Hence the value of tan 150° = y/x = -0.5774 (approx). 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 (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. 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) 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)To find the value of sin 10 degrees using the unit circle: Rotate ‘r’ anticlockwise to form a 10° angle with the positive x-axis. The sin of 10 degrees equals the y-coordinate (0.1736) of the point of intersection (0.9848, 0.1736) of unit circle and r. Hence the value of sin 10° = y = 0.1736 (approx)Evaluate sin (150) 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 2. The result can be shown in multiple forms. Exact Form: 1 2 1 2. Decimal Form: 0.5 0.5.For sin 20 degrees, the angle 20° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 20° value = 0.3420201. . . Since the sine function is a periodic function, we can represent sin 20° as, sin 20 degrees = sin (20° + n × 360°), n ∈ Z. ⇒ sin 20° = sin 380° = sin 740°, and so on.

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We use sin, cos, and tan functions to calculate the angles. The degrees used commonly are 0, 30, 45, 60, 90, 180, 270 and 360 degrees. We use these degrees to find the value of the other trigonometric angles like the value of sine 15 degrees. What is the value of Sin 15°? The actual value of sin 15 degrees is given by: 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. Here, z = 8( cos 150° + i sin 150°) and w = 10( cos 220° + i sin 220°). The modulus of z is 8 and the argument is 150°. Similarly, the modulus of w is 10 and the argument is 220°. The modulus of zw is 8*10= 80 and the argument is 150°+220°= 370° but since we keep angles in the range of 0 to 360, this becomes 10°.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. 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) 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)630-360 = 270 degree. -1 First, sin630^@ means that it makes more than one cycle around the axes. That means that we can subtract one cycle, or 360^@, and the sine of that will still be the same. So: 630^@ - 360^@ = 270^@ At 270^@, the coordinate is on the negative y-axis, or at the coordinate (0, -1). We know that the cosine of an angle is …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. ….

Sin 90 degrees is equal to one. This degree value can also be expressed in radians as sin(?/2) = 1. This value of the sine function corresponds to one-fourth of the complete arc di...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 (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.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.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 second quadrant. It is also known that, sin (180-x) ° = sin x °. Thus, sin 150 ° = sin 180-30 ° = sin 30 ° = 1 2. Therefore, the value of sin 150 ...The value of sin 330 degrees is -0.5. Sin 330 degrees in radians is written as sin (330° × π/180°), i.e., sin (11π/6) or sin (5.759586. . .). In this article, we will discuss the methods to find the value of sin 330 degrees with examples. Sin 330°:-0.5; Sin 330° in fraction:-(1/2) Sin (-330 degrees): 0.5; Sin 330° in radians: sin (11π ...Find the Exact Value csc(300 degrees ) Step 1. Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosecant is negative in the fourth quadrant. Step 2. The exact value of is . Step 3. Multiply by . Step 4. Combine and simplify the denominator.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. 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. Sin 150 degrees in fraction, 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 ..., 150° lies in the 2nd Quadrant. Therefore sin (180° – θ) = sin θ. sin (150°) = sin (180° – 30°) sin (150°) = sin (30°) sin (150°) = 1/2 So the exact value of sin 150° is 1/2. Similar Questions. Question 1: Find the value of sin 135°. Solution: Since, we know that sin is positive in the 1st and 2nd Quadrant,, : 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..., Explanation: For sin 5 degrees, the angle 5° lies between 0° and 90° (First Quadrant ). Since sine function is positive in the first quadrant, thus sin 5° value = 0.0871557. . . Since the sine function is a periodic function, we can represent sin 5° as, sin 5 degrees = sin (5° + n × 360°), n ∈ Z. ⇒ sin 5° = sin 365° = sin 725 ..., InvestorPlace - Stock Market News, Stock Advice & Trading Tips Environmental, social, governance (ESG) investing has been a major theme in rec... InvestorPlace - Stock Market N..., 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. , Sin 90 degrees is equal to one. This degree value can also be expressed in radians as sin(?/2) = 1. This value of the sine function corresponds to one-fourth of the complete arc di..., 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 ..., Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step , Answer: sin (300°) = -0.8660254038. sin (300°) is exactly: -√3/2. Note: angle unit is set to degrees. Use our sin (x) calculator to find the exact value of sine of 300 degrees - sin (300 °) - or the sine of any angle in degrees and in radians., 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. , 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..., To find the exact values of cos 150° and sin 150°, we will use the trigonometric identity cos (180° - Θ) and sin (180° - Θ). Answer: The exact value of cos (150 ∘) is −√3/2 and sin (150 ∘) is 1/2. Now, let us understand the way in which we can find the value of cos 150° and sin 150°. Explanation: For cos 150°, , Answer: sin (190°) = -0.1736481777. Note: angle unit is set to degrees. Use our sin (x) calculator to find the sine of 190 degrees - sin (190 °) - or the sine of any angle in degrees and in radians., 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. , Sin 2x = 2 sin x cos x In the same way, we can derive other values of sin angles like 0°, 30°,45°,60°,90°,180°,270° and 360°. Below is the trigonometry table, which defines all the values of sine along with other trigonometric ratios., 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 )., Free Degrees to Radians calculator - Convert degrees to radians step-by-step ... Order of Operations Factors & Primes Fractions Long Arithmetic Decimals Exponents & …, \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 …, The sine of theta (sin θ) is the hypotenuse's vertical projection (green line); and; The cosine of theta (cos θ) is the hypotenuse's horizontal projection (blue line). We can rotate the radial line through the four quadrants and obtain the values of the trig functions from 0 to 360 degrees, as in the diagram below:, To find the value of cos 74 degrees using the unit circle: Rotate ‘r’ anticlockwise to form 74° angle with the positive x-axis. The cos of 74 degrees equals the x-coordinate(0.2756) of the point of intersection (0.2756, 0.9613) of unit circle and r. Hence the value of cos 74° = x = 0.2756 (approx) ☛ Also Check: cos 75 degrees; cos 150 ..., 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., Search Results related to value of sin 150 degree in fraction on Search Engine, 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). , 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..., 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..., 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., 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; Algebra; Pre ... \sin (x)+\sin (\frac{x}{2})=0,\:0\le \:x\le \:2\pi \cos (x)-\sin (x)=0 ; 3\tan …, 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(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, sin(150°) = sin(180° – 30°) But we know that, sin(n×180° – θ) = sin(θ) So, sin(150°) = sin(180° – 30°) = sin(30°) = 1/2. Thus, sin(150°) = 1/2. Method 2:, Explanation: 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 ..., 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 ..., 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)