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# Trigonometry Basics Practice Questions

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Updated on Oct 5, 2011

Review the following concept if necessary: Trigonometry Basics Study Guide

## Trigonometry Basics Practice Questions

### Problems

Express each ratio as a decimal to the nearest thousandth.Use the following figure to answer practice problems 1–6.

1. sin Y
2. cos Y
3. tan Y
4. sin Z
5. cos Z
6. tan Z

Use the following figure to answer practice problems 7–12.

1. sin L
2. cos L
3. tan L
4. sin N
5. cos N
6. tan N

Use the trigonometric table or a scientific calculator to find each value to the nearest thousandth or each angle measurement rounded to the nearest degree.

1. sin 18°
2. sin 32°
3. cos 27°
4. cos 20°
5. tan 36°
6. tan 17°
7. sin A = 0.485
8. cos A = 0.743
9. tan A = 0.384
10. cos A = 0.788
11. sin A = 0.8829
12. tan A = 0.306

Find the measure of A to the nearest degree.

Find the value of x

1. = 0.6
2. = 0.8
3. = 0.75
4. = 0.8
5. = 0.6
6. ≈ 1.33
7. = 0.280
8. = 0.960
9. ≈ 0.292
10. = 0.960
11. = 0.280
12. ≈ 3.429
13. 0.309
14. 0.530
15. 0.891
16. 0.940
17. 0.727
18. 0.306
19. 29°
20. 42°
21. 21°
22. 38°
23. 298°
24. 17°
25. 45°
26. 37°
27. 23°
28. 30°
29. 13.2
30. 8.1
31. 7.2
32. 3.4

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