8. Write the express ion below as the cosine of an angle, knowing that the expression is the right side of the formula for cos (a. - B) with particular value for a and B. 5n Cos 12 7 + sin 12 cos sin 12 12

Q: 1. From the list below find the expression, identical for the given. cos 68 Select the correct…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 4-4 4. Find the exact values. cos(sin-(-

A:

Q: 2. Identify each of the following polar equations and state the correct graph: a. r 2-2 cos 0 i. ii.…

A:

Q: 1 Cos A - 1 with Ain QIV Find cot2A. V5 2. b. 3. C. 2. d. 4 E. e. 4

A:

Q: 7. Give the exact answer for cos ( sin- 13

A: Consider the given expression

Q: 15. What is the exact value of cos (-15°)? O v6-V2 4 V2-V6 4

A: Cosine formula is given as, cosA-B=cosAcosB+sinAsinB Some values of trigonometry are,…

Q: In the figure below, a pole has two wires attached to it, one on each side, forming t right…

A: Given, Two right triangle with same height p. where a and b are length of the wire A and B…

Q: a) Simplify the following expression. cos cos '(2x)+ si

A:

Q: Simplify cos 22° cos 23° – sin 22° sin 23º. -

A: Our Aim is to simplify cos (22°) cos 23°-sin (22°) sin 23°-(i)

Q: -11m. ii. cos-1(cos()) CO 6.

A: Given problem:- cos-1(cos(11π6))=?

Q: Simplify. sin e cos e + sec 0 1. csce

A: We have to simplify the expression. It is known that  sinθ=1cscθcosθ=1secθ and sin2θ+cos2θ=1

Q: 3. Simplify a. cos 20 sin 90- cos 90 sin 20 cos A b. csc A (1- 1+sin A.

A:

Q: Simplify. (sina - cos a)² =? 01 - sin(2a) 01 - cos(2a) 01 01 + cos(2a)

A: we have given equation