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