2. cot x = sec x = sin x = csc x = 3. cos = csc = tan = cot = 0 0 0 0
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2. cot x = 3 sec x = 2 3 3 sin x = 1 2 csc x = ­2 2 0 3. cos = 2 2 0 csc = ­1 0 tan = ­1 0 cot = 11. d 17. b 12. e 18. c 13. a 19. e 14. f 20. a 15. b 21. f 29. 1 2 30. cos x 31. ­tan x 2 32. sin x 2 37. sin x 4 38. sec x 2 2 39. sin x tan x 40. sec x + 1 4 41. sec x 4 42. sin x 46. ­1 2 48. 9cos x 2 49. 2csc x 2 50. ­2cot x
