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Nice Angles Practice Questions

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Updated on Oct 1, 2011

Read the following study guide for a concept review:

Nice Angles Study Guide

Practice Questions

Find the sine and cosine of each angle.

1. 45°
2. 180°
3.
4.
5. 135°
6.
7. 390°
8. –60°
9.
10.
11.
12. π
13.
14.
15. 330°
16.

 

Evaluate each of the following trigonometric functions.

17. sec (60°)
18. csc(–30°)
19.
20. tan(0)
21. cot(150°)
22. csc(120°)
23. sec(–45°)
24.
25.
26. tan(240°)
27.
28. cot(180°)
29. csc(225°)

Answers

1.
2. sin(180°) = 0 and cos(180°) = –1
3.
4.
5.
6.
7.
8.
9.
10.
11. sin(0°) = 0 and cos(0°) = 1
12. sin(π) = 0 and cos(π) =–1
13.
14.
15.
16.
17. sec(60°) = 2
18. csc( –30°) = –2
19.
20. tan(0) = 0
21. cot(150°) = –√3
22.
23. sec(–45°) = √2
24.
25.
26. tan(240°) = √3
27.
28. cot(180°) is undefined
29. csc(225°) = – √2
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