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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.

Trigonometry Basics

  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.

Trigonometry Basics

  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

Answers

  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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