1. Chapter 4
Section 1

3. Find the Value of Trigonometry Functions of Acute Angles Using Right Triangles

4. Figure

5. Figure

7. Example

8. Solution

9. Figure

10. Example

11. Solution continued

12. Solution

13. Use the Complementary Angle Theorem

14. Figure

15. Theorem

16. Example

17. Solve Right Triangles

18. Figures

19. Theorem

20. Example

21. Solution

22. Figure

23. Example

24. Solution

25. Figure

26. Solve Applied Problems*

27. Example

28. Solution

29. Example

30. Solution

31. Figure

32. Figure

33. Example

34. Figure

35. Solution

36. Example

37. Solution

38. Example

39. Solution

40. Solution continued

41. Figure

42. Figure

43. Example

44. Solution

45. Example

46. Solution

47. Figure