please help, i only have 1 question left and ill leave a great review!!!?

1. Reduce the following expression to a single function of one angle: cos(45 + A) + cos(45 - A). A. -2 sinA B. V2 sin A C. 2COSA D. -V2COSA 2. What are the extreme values of y = 2cos W/x A. 1 and -1 B. 3 and -3 C. 3 and - 3 2 D. 2 and -2TT 3' Construct one period of the graph of the equation y = sin (x + g). Start at x = 4. Evaluate cos 69 cos 24 + sin 69 sin 24. What is the value? A. J5 B. 0.0523 C. 0.9986 DE 2 5. What is the phase shift of y = cos (x + 4)? A. 7 to the right B. , to the left C. IT to the left D. IT 4 to the right 6. Find the inverse of y = 5. A. y = 5 B. x = 5 C. y = 5 D. x = -5 - 7. Given: SinA = , tanB - -7 24, angle A is in Quadrant I and angle B is in Quadrant II. Find the values of the following: cos (A - B) A. - 3 B . 4 C. -_ 44 125 D. 17 1258. Between what values of x is cos x an increasing function? A. Between x = 2n" and (2n - 1)", where n is any integer. B. Between x = (2n - 1)" and 2n", where n is any integer. C. Between x = (2n - 1)" and In", where n is any integer. D. Between x = 2n" and 2n, where n is any integer. 9. What is the period of the graph of y = csc x? A. 2T B. 4 7 C. 3 At D. 10' What is the period of the graph of 5': Rosll? 11. Give the size and direction of the phase shift of the second equation relative to the first equation. y = 3sin 4x; y = 3 sin(4x 2\") Ti ' 5 to the left Ti 3' g to the right Tl ' g to the left Tl ' 5 to the right 12. Reduce sin 40 cos 40 to a single function of one angle. A. 15m 80 2 B. sin 80 1 C. cos 80 2 D. cos 80 13. Evaluate 2 sin 67.5 cos 67.5. What is the value? A. 0.5556 B. V2 2 C. 0.8315 D. _V2 214. Construct one period of the graph of the equation y = sec x. Start at x = O. ZTF 15. Evaluate the expression: Cos-' (-1) A. 3TT 2 B. 271 C. " D. 16. Find the inverse of f = {(4, 1), (3, 7), (2, 8), (6, 3)} A. {(4, 3), (2, 6), (1, 7), (8, 3)} B. {(4, 1), (3, 7), (2, 8), (6, 3)} C. {(1, 4), (7, 3), (8, 2), (3, 6)} D. {(3, 4), (6, 2), (7, 1), (3, 8)} 17. Find the exact value of sin(165). A. V6 - 1 B. - V6 + v4 2 C. - V6 + v2 4 D. V6 - V2 4 18. Given: SinA = = tanB = - 1 #24, angle A is in Quadrant I and angle B is in Quadrant 11. Find the values of the following: tan- B A. 7 B. D.19. Given sine = 25, which is in quadrant I, find sec e A. 24 25 B 7 25 C. 24 D. 25 24 20. Evaluate the expression: tan[sin-1(5/13) + cos-1(-3/5)]. A. _33 56 B. _ 11 12 C. - W/ A D. - _15 65 21. Find the solution set of each equation in the interval: 0 s x