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Algebra II & Trigonometry
Trig Functions involving Radian Measure WS
A2.M.2
A2.A.56
Convert between radian and degree measures
Know the exact and approximate values of the sine, cosine, and tangent of 0º, 30º, 45º, 60º, 90º, 180º,
and 270º angles
Find the value of trigonometric functions, if given a point on the terminal side of angle θ
A2.A.62
In 1 – 15, find the exact value of each trigonometric function.


1. cos
2. tan
3
4
3. sin
2
3
4. cos
4
3
5. sin
5
4
6. sin
7
6
7. tan
4
3
8. cos
11
6
9. tan
5
6
5
3
12. tan 3
10. cos
3
4
11. sin
13. sin
15
4
 
14. cos   
 6
 5 
15. sin  

 6 
In 16 – 30, find the value of each trigonometric function to four decimal places.


16. sin
17. cos
4
6
19. sin
22. sin
25. sin
7
6

10
3
8
  
28. cos   
 10 
18. tan
11
6
20. cos
5
4
21. cos

5
23. tan
2
5
24. tan
7
10
26. cos
17
12
 
27. tan   
 3
  2 
29. sin 

 9 
  6 
30. tan 

 5 