□ 5. Which of the following are equivalent to sin 31°cos 10° +cos31°sin10°? Osin41° O cos41° O cos21°

Q: What is the value of sin 30°cos 60° + cos 30°sin 60°? 0 O A. O B. O C. O D. 1 NIT 2 1 2

A:

Q: Determine the exact value of cos 121° cos 590 - sin 121° sin 59⁰ 0 2 1 -1

A:

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: What is cos75° using the sum or difference identity O A. sin30°sin45° - cos30°cos45° O B.…

A:

Q: 2. Find the exact value of tan 30° (6sin 135 +4 cos 210'), giving your answer in the form a+b√6.

A:

Q: Which of the following is an equivalent expression to sin - (sin )(cos²0)? O cos²e O cos³e O sin²e O…

A: Given expression      sin(θ)-(sin(θ))(cos2(θ)) Here we use the following identity:…

Q: Use exact values to simplify 8 cos² 30° + 2 sin 30°. O 6 O 7 O 1 + 2/3 O 5/7

A: Given: 8cos230°+2sin30°

Q: Hence or otherwise find the exact value of 2 sin 285 cos 45

A: Given  To find exact value of 2sin285 cos 45   Using formula

Q: If secα= 11/ 3​, then what is cosα

A:

Q: Write each of the given numbers in the trigonometric form 1 (cos + i sin 0), where -π <π. Give exact…

A:

Q: 8 cos 10° cos 50° cos 70°

A: cos10°cos50°cos70°=√3/8Explanation:Step 1: Step 2: Step 3: Step 4:

Q: cos 8 = - and sin 8 = √3 2 find cot 8.

A:

Q: Given cos A = - and A is in Q1V, what is cos 2A? Select one: O a. No answer O b. 25/7 C. -7/25 O d.…

A:

Q: Evaluate. 2tan2120° +2sin2150° -cos20° 5sin2300° +csc2150° -sec230°

A: To Evaluate. 2tan2120° +2sin2150° -cos20° 5sin2300° +csc2150° -sec230°

Q: Question 5 What is the exact value of A B C 위~ SI 2 2 ㅠ 200(1) - 40%(1 COS D √6 2

A:

Q: Given sec 8- -13 $ 3 03 N what is cos?

A: Solving the problem by finding the value of Cos.

Q: 7/2 sin e cos (cos a cosec 0) d0 TC (1-cos a) 2 -Cos Te/2-

A:

Q: Select the correct answer. What is the exact value of sin 105 ? V6 - V2 O A. 4 O B. -V8 + V2 4 OC.…

A:

Q: Evaluate. cos 2a if 2 cos 3α = cos a

A: ​cos(2α)=−1,43​​Explanation:Step 1:​Given: 2cos(3α)=cosαTo find: cos(2α)​Step 2:​2cos(3α)=cosαUsing…

Q: 1. Determine an exact value for the following expression: л sin COS sec+tan 444 4

A:

Q: Which expression equals 1? O tan² 14° + sec² 14° O cot² 14° + sec² 14° O sin2 14° + cos² 14° O cot²…

A: We have to slove above questions

Q: 4 The value of [ cos* 30 sin° 60 de is

A: We need to calculate the given definite integral for which we will use the substitution.