25-38 Solving Trigonometric Equations Find all solutions of the given equation. 25. cos +1 = 0 27. V2 sin + 1 = 0 26. sin 0+1 = 0 28. V2 cos 0-1=0 30. 4 cos 0+1 = 0 32. cot 0+1 = 0 29. 5 sin 0-1 = 0 31. 3 tan20-1=0 33. 2 cos20-1 = 0 34. 4 sin20-3=0 35. tan20-4 = 0 37. sec20-2=0vio2 36. 9 sin20-1 = 0 38. csc0-4 = 0