Use a sum or difference formula to find the exact value of the following. 25 Tt 25T + sin 42 cos Cos sin 7 42 7

Q: Which of these is equal to cos 19? A) sin 71° B) sin 81° C. cos 71° D) Cos 81°

A: We have to find cos19

Q: 60 180° <s<27 61

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Q: Use the triangle below to answer #5 and #6 14 5. Which of the following equations can be used to…

A: 5. Since the opposite side is x and adjacent side is 14, Therefore we can use tan71°=x14 to solve…

Q: 2. Express each of the following expressions as a single trigonometric ratio and then evaluate to an…

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Q: Find the exact values of the following a-h and show your complete Solution. a. cos 585° b. csc 600°…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Find sin X, sin Z. cos X, and cos Z. Write each answer as a fraction and as a decimal rounded to…

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Q: If csce=2, sin 0>0, find the exact value of each of the following for 0se<2n. (a) sin (20) (b) sin 5

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Q: nd the exact values of the following sec( 765) 7.7 cot 6 sin(- 90°) tan(60°) - cos(600 ese:/1|+…

A: We have to find the exact value of the given following conditions

Q: Solve the following for 0, in radians, where 0 <0 < 2n. -4 sin? (0) – 7 sin(0) + 7 = 0 Select all…

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Q: п/6 cos 30 de 1+sin? 30 2

A: Using Substitution we have evaluate the integral,

Q: Which of the following is not equivalent to cos (-? 4 a. sin O b. sin(45°) cos С. cOS d. cos 4

A: Given that: cos-π4

Q: 36. Which of the following is not greater than cos 60°? a. cot 30° b. tan 45° C. sin 30° d. tan 60°

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Q: Verify the identity. 9 cos? ß – 9 sin?ß = 18 cos? ß – 9 9 cos? ß – 9 sin? ß = 9 cos? p – 9 (1 – - 9…

A: In this question we have to use trigonometry Identity i.e.    Sin2x + Cos2x = 1

Q: 2. Use the sum and difference formulas to evaluate the following. 5TT COS 12 sin (-) 7Tt а. b. 12

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Q: Which expression is equivalent to sec a(1 – cos?a) for all values of a for which sec a(1 – cos²a) is…

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Q: Which of the following expressions is NOT equivalent to sin75°? sin45° + sin30° O sin45°cos30° +…

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Q: Use a sum or difference formula to find the exact value of the following. 22n 22n cos cos + sin sin…

A: From the given problem:    cos22π21cos5π7+sin22π21sin5π7   From the trigonometric identity:…

Q: Given x = 60°, tan š can be rewritten as which of the following? 1- cos 60 1- 2 sin? 60 1- cos60 tan…

A: We can find the answer as below.

Q: 2) Use the Sum and Difference formulas to evaluate the following expression cos (345°)

A: Formula ' s  1 ) cos ( A - B )=   cos A cos B + sin A sin B    2 )  cos ( 360 ° - A ) = cos A

Q: Use a sum-to-product formula to find the exact value of cos(285°) – cos(15°)

A: We will need the formula  With A=285 and B=15

Q: Use a sum or difference formula to find the exact value of the following. 31A 7L 31 7TL sin CoS +…

A: Given : sin31π60cos7π30 + cos31π60sin7π30

Q: Use the sum and difference identities to determine the exact value of the following expression. If…

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Q: Use a sum or difference formula to find the exact value of the following. 19n 197 sin COS 30 sin COS…

A: Given that sin19π30cos7π15-cos19π30sin7π15we know that…

Q: Find the values of the following. 1. sin(4 + 7j)

A: We have to evaluate sin( 4+7j)  sin(a+bj)=sin a cosh b+j cos a sinh b ⇒sin(4+7j)=sin 4 cosh 7+j cos…

Q: Use a sum or difference formula to find the exact value of the following. 25л 67 25 t sin cos cos…

A: NOTE: Refresh your page if you can't see any equations. . use the formula

Q: Given Sin 55°x 0.82 Find cos 35° 55 B

A: Given that : - sin 55°≈0.82 cos 35°=?

Q: Find the exact value of cos 165° by writing 165° as 120° + 45° and using a sum identity. -1 + v? 2 4…

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Q: b. 4 sin? () + 8 cos() - 7 = 0 for 0<0s 360°

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Q: 7. Simplify the following formula sin140° cos40° + cos140° sin 40°

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Q: sin(57) and cos (33)

A: Sin(57) = 0.8386

Q: Use an addition or subtraction formula to find the exact value of cos 15° = VA(VB+1), and fill in…

A: SOLUTION-

Q: Find the exact value of cos 285° by writing 285 as a sum and using the sum identity.

A: Sum identity is cos(A+B)=cosAcosB-sinAsinB

Q: Use a sum or difference formula to find the exact value of the following. 31n 11n 31n + sin 18 11a…

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Q: sin 54° sin 38* cos 38° cos 54 :: sin 52 : cos 36 : cos 52° :: sin 36*

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Q: rewrite as a sum difference formula 8 sin 7x cos 3x

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Q: Verify the identity by following the steps below. sin(z)cot(r) cos(z) 1) Write the left-hand side in…

A: Given: sin(x) cot(x)= cos (x)

Q: Which of the following correctly expresses sin 0 + sin (70) as a product? Select the correct answer…

A: sinθ+sin7θ sin4θ - 3θ+sin4θ + 3θ Now, using the formula, sin(A + B) = sin A cos B + cos A sin B…

Q: 6. Which of the following statements is incorrect? A. sin 60° =- 3/3 B. tan 60°= 60 C. cot 60° =° V3…

A: Consider

Q: Find the exact value of the following expression:   sin(pi/12)cos(7pi/12) - cos(pi/12)sin(7pi/12)

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Q: Use the given information to find the exact value of each of the following. a. sin 20 b. cos 20 c.…

A: `

Q: Use a sum or difference formula to find the exact value of the following. 11 T 11 t sin 42 sin cos 7…

A: To find the value of  sinABC=sinBAC=sinCABsin90o16.76=sinB5=sinC16116.76=sinB5=sinC16⇒sinB=516.76,…

Q: Which of the following is equal to tan 60° + tan 45°? A. V3 B. V4 C. 1 + v3 D. cannot be determined…

A: This question can be solved using the concept of trigonometry.

Q: 5. sin 0 ( 2 cos 0 – 1) = 0

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use a sum or difference formula to find the exact value of the following 2n sin + cos sin cos - 3 12…

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Q: Which of the following correctly expresses 6sin (20)sin 0 as a sum? Select the correct answer below:…

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Q: Use the sum-to-product identities to rewrite the expression. sin 18° + sin 10° Which expression is…

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Q: photo attached

A: We begin by writing right hand side of equation in terms of sines and cosines by using reciprocal…

Q: (2) From the figure below find (a) sin (60), (b) cos (60), (c) sin (30), (d) cos (30), (e) |AD…

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Q: Use a sum or difference formula to find the exact value of the following. 17n sin cos 36 5T 17t sin…

A: You know, According to the sum formula:

Q: find the exact value of the given expression cos(7pi/12)cos(pi/6)-sin(7pi/12)sin(pi/6)

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