Principles of Calculus Name______________________________
Unit 1 Day 2/3: Unit Circle Review - HW Date__________________________
State each value in exact, simplified form.
1. sin150o 2. tan180o 3. cos3
4. 9
sin2
5.
5cos
4
6.
7sin
4
7. cos 150o 8. sin 210o 9. tan120o
10. tan 330o 11. sin 315o 12. cos8
13. 2
sec3
14.
15csc
4
15. cot
2
16. 13
sec6
17.
7csc
6
True or False.
18. cos60 sin 30o o 19. 3
tan 90 tan2
o 20.
sin1351
cos 225
o
o
If 0 2 , state where each of the following is always true:
21. cos 0 and sin 0 22. tan 0 and csc 0
Principles of Calculus Name______________________________
Unit 1 Day 2/3: Unit Circle Review - HW Date__________________________
23. Arrange the following values in increasing order.
sin , 5
cos3
, tan 60o
, cos 4 , 7
sin6
Solve for θ.
24. 1 3
sin2
, 2 2
25. 1tan 1 ,
2 2
26. 1cos 1 , 0
27. 3
sin2