Math 130 Practice Test 3

Here is practice test 3. Print it out, and try to work the problems as if it were the real test (no book, no notes, no calculator). This will tell you where you need more practice. Then bring it to class on Friday.
The answers follow after the break.

1. A
2. D
3. B
4. B
5. B
6. D
7. B
8. A
9. A
10. B
11. C
12. A
13. DFHEAIGC in that order
14. D
15.

θ	0˚	90˚	120˚	135˚	150˚	180˚
sin θ	0	1	(√3)/2	(√2)/2	1/2	0
cos θ	1	0	–1/2	–(√2)/2	–(√3)/2	–1
tan θ	0	undef	–√3	–1	–(√3)/3	0

16. B

17. C

18. D

19. (–√2/2, –√2/2)

20. sin θ = 4/5

      cos θ = –3/5

      tan θ = –4/3

      cot θ = –3/4

      sec θ = –5/3

      csc θ = 5/4