1. TRIG

2. DefinitionsMissing Angle/Side Looking UP Looking DOWN 100300400500 100300400500 100300400500 100300400500 100300400500

3. 1. opp hyp

4. What is sine?

5. 2. adj hyp

6. What is cosine?

7. 3. opp adj

8. What is tangent?

9. ? 4.

10. What is angle of elevation?

11. ? 5.

12. What is angle of depression?

13. 8 y = ? 6. 36°

14. y = 6.5

15. 7. 6 4 x°x°

16. x = 41.8°

17. 8. 5 y = ? 50°

18. y = 7.8

19. 9. 12 4 x°x°

20. x = 18.4

21. 10. 7.2 y = ? 70°

22. y = 2.6

23. 11. A tree 40 feet high casts a shadow 58 feet long. Find the measure of the angle of elevation.

24. 35° 40 ft 58 ft x°x°

25. 12. A ladder leaning against a house makes an angle of 60° with the ground. The foot of the ladder is 7 feet from the foundation of the house. How long is the ladder?

26. 14 ft 7 ft x 60°

27. 13. A balloon is 46 ft in the air from the ground and is being held 2.5 ft off the ground. It makes an angle of 50°. How long is the kite string to the nearest foot.

28. 57 ft 46 ft x 50° 2.5 ft

29. 14. A plane took off from the runway. When the plane had flown 2000 m, it had covered a horizontal distance of 1800 m. Find the measure of the angle to the nearest degree at which the plane rose from the ground.

30. 26° 2000 m 1800 m x°x°

31. 15. Sam is flying a kite on a 40-meter string. The angle of elevation of the kite measures 35°, and Sam’s hand is 1.8 m above the ground. How high was the kite off the ground?

32. 24.7 ft 40 ft x 35° 1.8 ft

33. 16. From the top of a tower, the angle of depression to a stake on the ground is 72°. The top of the tower is 80 feet about the ground. How far is the stake from the foot of the tower?

34. 25.99 ft 80 ft x 72°

35. 17. From the top of a tower 60 ft high, the angle of depression to an object on the ground is 35°. Find the distancefrom the object to the baseof the tower to the nearest foot.

36. 86 ft 60 ft x 35°

37. 18. A roller coaster at the top of a crest has an angle of depression of 26°. The horizontal distance of the coaster is 75 feet. What is the distance traveled by the coaster on the track to the nearest tenth of a foot?

38. 83.4 ft 75 ft x 26°

39. 19. Jonathan is at the top of a ski run and his friend Sam is at the bottom of the slope. The angle of depression is 13° and the horizontal distance to Sam is 2000 ft. What is the length of the ski run?

40. 2052.6 ft x 2000 ft 13°

41. 20. Sally is in a 85 ft lighthouse on a 110 ft cliff. She observes 2 sailboats due east of the lighthouse. The angles of depression are 33° and 57°. Find the distance between the two sailboats to the nearest foot.

42. 195 ft x 57° 174 ft y 195 ft 33° y - x

43. Final Jeopardy

44. Your Teacher

45. Mrs. Culbreth’s university for her BS.

46. What is Auburn University? War Eagle !!