1. 160 °
3. π12 , 2π3
5. 5π12 , 11π6
7. 7π6 , 11π20
9. 4π , − π20
11. 108 ° , 270 °
13. 100 ° , 315 °
15. 70 ° , 150 °
17. − 12 ° , 27 °
19. 1.47
21. 4.40
23. − 5.821
25. 8.351
27. 43.0 °
29. 195.2 °
31. 710 °
33. − 940.8 °
35. 0.7071
37. 3.732
39. − 0.8660
41. − 8.327
43. 0.906
45. − 0.890
47. − 2.09
49. 0.149
51. 0.3141, 2.827
53. 2.932, 6.074
55. 0.8309, 5.452
57. 2.442, 3.841
59. 1.25
61. − 0.3827
63. − cot θ
65. 612 mil
67. 10.1 rad
69. 0.030 ft ⋅ lb
71. 2900 m
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