Solving a Trigonometric Equation In Exercises 29-36, solve the equation. 29. 2 sin x + 1 = 0 30. V2 sin x + 1 = 0 31. V3 sec x - 2 = 0 32. cot x + 1 = 0 33. 3 sec2 x - 4 = 0 34. 3 cot2 x - 1 = 0 35. 4 cos2 x - 1 = 0 36. cos x(cos x - 1) = 0Factoring Trigonometric Expressions In Exercises 45-54, factor the expression and use the fundamental identities to simplify. Use a graphing utility to check your result graphically. 45. cot2 x - cot2 x cos2 x 46. sec2 x tan2 x + sec2 x cos2 x - 4 47. 48. csc2 x - 1 cos x - 2 csc x - 1 49. tan* x + 2 tan2 x + 1 50. 1 - 2 sin2 x + sin4 x 51. sint x - cost x 52. sect x - tant x 53. csc3 x - csc2 x - csc x + 1 54. sec3 x - sec2 x - sec x + 1