Unit Circle – Evaluating Worksheet
Directions: Evaluate without the use of a calculator.
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2. sin (60 )
3. sec(120 )
4. tan (−120 )
5. sin ( 45 )
6. cos(135 )
7. csc( 315 )
8. cos(−225 )
9. sin (180 )
10. tan (60 )
11. sec(1440 )
12. cot ( 310 )
13. cos(−270 )
14. sin (0 )
15. csc(240 )
16. sec(60 )
17. cos( 405 )
1. cos 45
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21. cos⎜
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⎛ 5 π ⎞
⎟
⎝ 6 ⎠
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⎛ 5 π ⎞
⎟
⎝ 4 ⎠
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⎛ π ⎞
⎟
⎝ 2 ⎠
25. cot⎜
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⎛ 3π ⎞
⎟
⎝ 2 ⎠
26. csc⎜−
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⎛ 7 π ⎞
⎟
⎝ 6 ⎠
24. sec⎜
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23. tan⎜
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⎛ 3π ⎞
⎟
⎝ 4 ⎠
22. sin⎜
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⎛ π ⎞
⎟
⎝ 4 ⎠
32. cot⎜−
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⎛ 9 π ⎞
⎟
⎝ 4 ⎠
31. csc⎜
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19. cos(−45 )
20. sin (180 )
18. tan 90
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35. sin (99 π )
⎛11π ⎞
⎟
⎝ 6 ⎠
36. tan⎜
⎛ 5 π ⎞
⎟
⎝ 3 ⎠
37. cot⎜
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⎛ 3π ⎞
⎟
⎝ 4 ⎠
38. sin⎜
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⎛ π ⎞
⎟
⎝ 6 ⎠
39. cos⎜
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⎛ 7 π ⎞
⎟
⎝ 4 ⎠
40. sec⎜
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⎛ 2 π ⎞
⎟
⎝ 3 ⎠
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30. sin⎜
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⎛ 9 π ⎞
⎟
⎝ 4 ⎠
29. cos⎜
⎛ 4 π ⎞
⎟
⎝ 3 ⎠
34. sin⎜
27. sin (21π )
28. tan ( π )
⎛13π ⎞
⎟
⎝ 6 ⎠
33. cos⎜