Find the exact value
without a calculator :
1. sin 
16. Find the remaining
trig functions if sin
and Q IV
2. tan
17. Find the remaining
trig functions if 
and sin
3. cos
18. Find the remaining
trig functions if 
and tan
4. 
19. Is 
why?
5. sec
20. Find the length of
the arc of a circle of radius 2 ft. and a
6. cos
central angle of 
7. cot
21. Find the area of the
sector of radius 2in. formed by an angle
8. cos
of 
.
9. sin
22. Convert 
to degrees
10. tan
23. Convert 
to radians
11. csc
24. Graph 
12. cot
25. Graph 
13. sin
26. Graph 
14. 
27. Graph 
15. cos
28. Graph 
29. The point P(2,-3) lies on the terminal side of angle β. Find the exact value of each of the six trig functions of β.
Find the exact value of each expression without a calculator:
30. 
31. 
32. 