Practice Problems
By Easy Worksheet / Period: ______Date: ______
Solve:
1) / Find the reference angle for 2π/3 .By Easy Worksheet
By Easy Worksheet
By Easy Worksheet / 2) / Find the reference angle for 5π/4 .
3) / Find the reference angle for 120°.
By Easy Worksheet
By Easy Worksheet
By Easy Worksheet / 4) / Find the reference angle for 300°.
5) / Find the reference angle for -330°.
By Easy Worksheet
By Easy Worksheet
By Easy Worksheet / 6) / Find the reference angle for -240°.
7) / Find the reference angle for 7π/4 .
By Easy Worksheet
By Easy Worksheet
By Easy Worksheet / 8) / Find the reference angle for -150°.
9) / Find the reference angle for -π/4 .
By Easy Worksheet
By Easy Worksheet
By Easy Worksheet / 10) / Find the reference angle for-5π/6.
Find the exact value:
11) / cos 1140° =By Easy Worksheet / 12) / csc -120° =
13) / sin -240° =
By Easy Worksheet / 14) / tan 0° =
15) / sec -210° =
By Easy Worksheet / 16) / csc -240° =
17) / cos -90° =
By Easy Worksheet / 18) / sec -60° =
19) / sec 1260° =
By Easy Worksheet / 20) / sin -120° =
21) / sin 315° =
By Easy Worksheet / 22) / cot 360° =
23) / sin -330° =
By Easy Worksheet / 24) / csc 150° =
25) / cos 150° =
By Easy Worksheet / 26) / sin 360° =
27) / csc -225° =
By Easy Worksheet / 28) / cos -210° =
29) / sin -300° =
By Easy Worksheet / 30) / tan 30° =
31) / sec 7π/6 =
By Easy Worksheet / 32) / tan -7π/2 =
33) / tan 5π/3 =
By Easy Worksheet / 34) / tan3π/4 =
35) / cot -7π/4 =
By Easy Worksheet / 36) / cos 3π =
37) / tanπ/2 =
By Easy Worksheet / 38) / cot -2π =
39) / tan 4π =
By Easy Worksheet / 40) / sec -7π/4 =
41) / sin20π/3 =
By Easy Worksheet / 42) / csc -17π/4 =
43) / tan π =
By Easy Worksheet / 44) / cos20π/3 =
45) / tan-π/4 =
By Easy Worksheet / 46) / cos 0 =
47) / sin -23π/4 =
By Easy Worksheet / 48) / csc π/6 =
49) / cos-π/3 =
By Easy Worksheet / 50) / sin-5π/3 =
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
11. 12. 13. 14. 15.
16. 17. 18. 19. 20.
21. 22. 23. 24. 25.
26. 27. 28. 29. 30.
31. 32. 33. 34. 35.
36. 37. 38. 39. 40.
41. 42. 43. 44. 45.
46. 47. 48. 49. 50.