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 cos2 x - 4 47. 48. csc2 x - 1 cos x - 2 csc x - 1 49. tan* x + 2 tan2 x + 1 51. sin4 x - cost x 52. sec4 x - tant x 54. sec3 x - sec- x - sec x + 1