Basic Technical Mathematics, 11th Edition

Exercises 8.3, page 252

1. 1. $160\hspace{0.17em}°\hspace{0.17em}$

2. 3. ${\displaystyle \frac{\pi }{12}}\hspace{0.17em},\hspace{0.17em}{\displaystyle \frac{2\pi }{3}}$

3. 5. ${\displaystyle \frac{5\pi }{12}}\hspace{0.17em},\hspace{0.17em}{\displaystyle \frac{11\pi }{6}}$

4. 7. ${\displaystyle \frac{7\pi }{6}}\hspace{0.17em},\hspace{0.17em}{\displaystyle \frac{11\pi }{20}}$

5. 9. $4\pi \hspace{0.17em},\hspace{0.17em}\hspace{0.17em}-\hspace{0.17em}{\displaystyle \frac{\pi }{20}}$

6. 11. $108\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}270\hspace{0.17em}°\hspace{0.17em}$

7. 13. $100\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}315\hspace{0.17em}°\hspace{0.17em}$

8. 15. $70\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}150\hspace{0.17em}°\hspace{0.17em}$

9. 17. $\hspace{0.17em}-\hspace{0.17em}12\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}27\hspace{0.17em}°\hspace{0.17em}$

10. 19. 1.47

11. 21. 4.40

12. 23. $\hspace{0.17em}-\hspace{0.17em}5.821$

13. 25. 8.351

14. 27. $43.0\hspace{0.17em}°\hspace{0.17em}$

15. 29. $195.2\hspace{0.17em}°\hspace{0.17em}$

16. 31. $710\hspace{0.17em}°\hspace{0.17em}$

17. 33. $\hspace{0.17em}-\hspace{0.17em}940.8\hspace{0.17em}°\hspace{0.17em}$

18. 35. 0.7071

19. 37. 3.732

20. 39. $\hspace{0.17em}-\hspace{0.17em}0.8660$

21. 41. $\hspace{0.17em}-\hspace{0.17em}8.327$

22. 43. 0.906

23. 45. $\hspace{0.17em}-\hspace{0.17em}0.890$

24. 47. $\hspace{0.17em}-\hspace{0.17em}2.09$

25. 49. 0.149

26. 51. 0.3141, 2.827

27. 53. 2.932, 6.074

28. 55. 0.8309, 5.452

29. 57. 2.442, 3.841

30. 59. 1.25

31. 61. $\hspace{0.17em}-\hspace{0.17em}0.3827$

32. 63. $\hspace{0.17em}-\hspace{0.17em}\cot \theta$

33. 65. 612 mil

34. 67. 10.1 rad

35. 69. $0.030\text{ ft }\hspace{0.17em}\cdot \hspace{0.17em}lb$

36. 71. 2900 m