help me do Section 7-2, pages 434-35, exercises 14, 16, 18, 20, 22, 24, 26, 30, 32

EXERCISES Practice Verify that each equation is an identity. 13. tan A - Sec A 14. cos e - sin & cot e CSC A 15. sec .x - tanx - 1 - sinx 16. - 1 + tan x - - sec x COS X sin x + Cosx 17. sec x ese x - tan x + cot x 18. sin 8 + cos - 2 sin 8 - 1 sin # - cos 9 19. (sin A + cos A) - 2 + sec A cec A sec A coc A 20. (sin # - 1) (tan # + seco) - -cos o COS Y 1 + sin y 21- - 1 - sin y 22. cos # cos (-8) - sin # sin (-0) - 1 COS Y 23. coc x - 1 - - csex + 1 24. cos B cot B - esc B - sin B 25. sin # cos # tand + cos3 0 - 1 26. (esc x - cot x) - 1 - cos.x 1 + cos .x 27. sinx + cos x- COS X sin x 1 - tan.x 1 - cot x 28. Show that sin # + cos # + tan d sin d - sece + cos # tan 9. 434 Chapter 7 Trigonometric Identities and Equations www.amc.glencoe.com/self_check_quiz CONTENTS Find a numerical value of one trigonometric function of x. 30. 1 + tan x 2 cotx 1 + cotx 1 secx 31- cot X CSCX - COS X 32 1 + cos x sin x sin.x 1 + cos x 33. cos- x + 2 sinx - 2-0 34. coc x - sin x tan * + cosx 35. It fans 8 - 1 tan 9 - 1 - sec-# - 1 - 0, find cot e