Find sin 75° without using a calculator. [? (V2+ V])

Q: Use the fact that the trigonometric functions are periodic to find the exact value of the given…

A: To evaluate:cos9π4

Q: Use the unit circle and the fact that sine is an odd function to find each of the following:…

A: Given that  sinu=-13

Q: Find a cofunction with the same value as the given expression sin 70°

A: We know that sin(x)= cos(90°-x) Here x=70°

Q: Approximate all solutions to the given equation that are in the interval [0,2pi) to the nearest…

A:

Q: Find a cofunction with the same value as the given expression sin 46°

A: We will use the formula sin(x)= cos(90°-x)   Here, x=46°

Q: Find the exact value of the expression. cor( an () sin

A:

Q: 11a Use a half-angle formula to find sin( ) 12

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Q: Given sin b=5/13 in qii,find the exqct value of sin(2B)

A: Given that         sinB = 5/13 , where B is in Q II.      We have to find the value of sin2B.

Q: let sin A= -3/5 with A in the third quadrant. Find sin2A and the cos A/2

A: Trigonometric

Q: Simplify. (a) (b) cos sin 8

A: we have to simplify: (a) 1a1b=1a×b=bathis is the required answer.

Q: Va? – x²

A:

Q: Use the properties of the trigonometric functions to simplify. a. 4cost + cos (-t) b. tan(-31) –…

A: a) 4cos t+cos(-t)b) tan(-3t)-tan(3t+π)

Q: Use the unit circle and the fact that sine is an odd function to find each of the following:…

A: It is known that sine function is an odd function. That is, sin(-x)=-sin x. Therefore,…

Q: Use the figure to find the exact values of sin(2u), cos(2u), and tan(2u). X sin(2u) = cos(2u) =…

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Q: I don't even know where to start Help!!

A: Consider the trigonometric identity in terms of sin t and cos t.Then simplify the identity to…

Q: Use a half-angle formula to rewrite the given expression so that it involves the sum or difference…

A: Topic: trigonometry

Q: Write the first expression in terms of the second if the terminal point determined by t is in the…

A: Given: write sin(t)  in terms of the sec(t) where t is in the IV quadrant.

Q: Find the exact value of the following expression. sin-'(1)

A:

Q: Find the exact value of tan 3 Write your answer in radians in terms of t. V 3 JT -1 tan 3

A:

Q: Find the sin θ. Cos θ = 3/4, θ in quadrant I

A:

Q: Find the exact value.sin 195°

A: Find the exact value.      sin 195°

Q: find the exact value of (a) and (b). Do not use calculator. (a) sin(-150°) (b) cos(270°)

A: Find the exact value of: (a) sin-150° (b) cos270°   Here we use the formula:…

Q: -sin? 3 cos 3

A: Given trigonometric expression is cos2π3-sin2π3.

Q: – 5) Simplify sin (t to a single trig function using the sum or difference of angles identity.

A:

Q: Write the first expression in terms of the second if the terminal point determined by t is in the…

A:

Q: 11 T Find the exact value of sin

A: Topic-trigonometry

Q: find the value of sin P.

A: Given:

Q: Solve the trigonometric equation for the indicated domain to the nearest hundredth in radians. - 7…

A:

Q: Evaluate the sin2θ, cos2θ, and tan2θ, where cosθ = 5/13, with θ in Quadrant IV.

A:

Q: Find the exact value of the following expression. sin -1(0)

A:

Q: Write the first expression in terms of the second if the terminal point determined by t is in the…

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Q: Find the exact value of sin Cos Write your answer in radians in terms of T.

A: To find: exact value of sin-1cos4π3.

Q: Find a cofunction with the same value as the given expression. sin(pi/6+x)

A: To find a cofunction of sinπ6+x

Q: Use a half-angle formula to rewrite the given expression so that it involves the sum or difference…

A:

Q: Find all solutions to the equation. V2 cosx+ sin 2.x = 0 Write your answer in radians in terms of t,…

A: The given equation is 2cosx+sin2x=0.

Q: Find a cofunction with the same value as the given expression sin 72°

A: Given expression is sin72°. We know that sin90°-θ=cosθ. Therefore, above expression can be written…

Q: Use the given conditions to find the exact value of the expression. sin(a) = – 13 tan(a) > 0, sin a…

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Q: Find the exact value: 14 Sin!

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Q: Suppose that θ is in standard position and the given point is on the terminal side of θ. Give the…

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Q: Find the exact value of the expression. sin 12

A:

Q: Find the exact value of the real number y in radians. y= sin-1 N:

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Q: Find the values of the six standard trigonometric functions at 0 =11π/6.

A: The six standard trigonometric functions are: sin θ,cos θ,tan θcsc θ,sec θ,cot θ Given: θ=11π6

Q: Exer. 15–16: Use half-angle formulas to find the exact values. 15 (a) cos 67°30' (b) sin 15° (c) tan…

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Q: Find the exact value of the following expression. Do not use a calculator to enter a decimal…

A: Find the value of sin(7π/4). We know that sin(π/4)= 1/√2 Here i attached solution of this question.

Q: find the exact value  sin(- 5pi/4)

A: find the exact value of sin-5π4

Q: How do you solve this?

A:

Q: Q1: Find the X- Value of the Trigonometric Equation. 5 sin? nx - 7sin nx cosnx + 10cos? nx = 4

A: Given trigonometric equation is                          5sin2nx-7sinnxcosnx+10cos2nx=4 The given…

Q: Find all solutions to the equation. 2 cos x- sinx = 1 Write your answer in radians in terms of t,…

A: