MATH 122
TRIG EQUATIONS
| Solve for x, y, t, or q 1. tan x + 1 = 0 2. 2 sin x - 1 = 0 3. 4. 5. 4 sinēt - 1 = 0 6. 2 tan x - 2 cot x + 3 = 0 7. 2 cosēq - 1 = 0 8. sinēy + 2 sin y = 0 9. 10. 2 sinēx + sin x - 1 = 0 |
11. 3 tanēx - 1 = 0 12. Equations involving multiple angles. Find all solutions in [0,2p) or [0,360°) 13. sin 2q + 2 sin q = 0 14. cos 2q + cos q + 1 = 0 15. 16. cos 2x = cos x 17. 18. 19. |
ANSWERS:
In the following, k is an integer.
| 1. 2. 3. No Solution 4. 5. 6. .46 + kp and -1.11 + kp 7. 8. kp or 180° k 9. 10. |
11. or 30° + 180°k and 150° + 180°k 12. 13. 0 , p or 0° , 180° 14. 15. 16. 17. 18. 19. |