Basic Technical Mathematics, 11th Edition

Exercises 4.5, page 131

1. 1. 2090 ft

2. 3. 50.7 ft

3. 5. $8.0\hspace{0.17em}°\hspace{0.17em}$

4. 7. $0.4\hspace{0.17em}°\hspace{0.17em}$

5. 9. $Z\hspace{0.17em}=\hspace{0.17em}19.2\hspace{0.17em}\Omega \hspace{0.17em}\hspace{0.17em},\hspace{0.17em}\varphi \hspace{0.17em}=\hspace{0.17em}51.3\hspace{0.17em}°\hspace{0.17em}$

6. 11. 25.3 ft

7. 13. 0.21 mi

8. 15. 850.1 cm

9. 17. $26.6\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}63.4\hspace{0.17em}°\hspace{0.17em}\hspace{0.17em},\hspace{0.17em}90.0\hspace{0.17em}°\hspace{0.17em}$

10. 19. $23.5\hspace{0.17em}°\hspace{0.17em}$

11. 21. $8.1\hspace{0.17em}°\hspace{0.17em}$

12. 23. $3.4\hspace{0.17em}°\hspace{0.17em}$

13. 25. 3.07 cm

14. 27. 651 ft

15. 29. $30.2\hspace{0.17em}°\hspace{0.17em}$

16. 31. 865,000 mi

17. 33. $4.1\hspace{0.17em}°\hspace{0.17em}$

18. 35. 47.3 m

19. 37. 2100 ft

20. 39. $A\hspace{0.17em}=\hspace{0.17em}a(b\hspace{0.17em}+\hspace{0.17em}a\cos \theta )\sin \theta$

21. 41. $d\hspace{0.17em}=\hspace{0.17em}2x\tan (0.5\theta )$

22. 43. $35.3\hspace{0.17em}°\hspace{0.17em}$