In Exercises 19-36, solve each of the trigonometric equations exactly on 0 s 0 lt; 27.

TIAS

19. 2sin(20) = V3

20. 2cos

= -V2

21

3 tan(20) – V/3 = 0

No solu

from

23. 2cos(20) + 1 = 0

24. 4csc(20) + 8 = 0

25.

V/3 cot

NI

– 3 = 0

27. tan?0 – 1 = 0

28. sin?0 + 2sin0 + 1 = 0

29

2cos?0 = cos0

31. csc20 + 3csc0 + 2 = 0 32. cot20 = 1

The cosine

33.

in?0 + 2sin0 = 3

35. 4cos20 – 3 = 0

36. 4sin?0 = 3 + 4sin 0

Trigonometry

Solve each of the trigonometric equations exactly # 21 25 29 33