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Algebra II & Trigonometry
Trigonometry WS 1
A2.A.55
Express and apply the six trigonometric functions as ratios of the sides of a right triangle
In 1 – 6, RST is a right triangle with mS = 90, RS = 15, ST = 8, and
RT = 17. Given the value of each ratio as a fraction.
1. sin R
2. cos R
3. tan R
4. sin T
5. cos T
6. tan T
In 7 – 21, in each case determine the quadrant in which an angle of the given measure lies.
7. 140
8. 210
9. 97
10. 315
11. 80
12. 240
13. -168
14. -200
15. -260
16. 175
17. -340
18. -380
19. 500
20. -475
21. 420
In 22 – 36, in each case, find the angle of smallest positive measure coterminal with an angle of the given measure.
22. 400
23. 520
24. 710
25. 375
26. 580
27. 450
28. 790
29. 840
30. -30
31. –110
32. -370
33. -540
34. -400
35. -75
36. -800