1. 4.8 Applications and Models using Trigonometry

2. Given one side and an acute angle of a right triangle Find the remaining parts of the triangle.

3. Given one side and an acute angle of a right triangle Find the remaining parts of the triangle.

4. Given one side and an acute angle of a right triangle Find the remaining parts of the triangle.

5. Given one side and an acute angle of a right triangle Find the remaining parts of the triangle. For Angle B

6. Find of an object in the distance Finding the height of a tree on a mountain.

7. Find of an object in the distance Finding the height of a tree on a mountain.

8. Find of an object in the distance Finding the height of a tree on a mountain.

9. Trigonometry and Bearings Bearing is an acute angle based off the North - South line. N 38º W

10. A nautical problem A yacht is going 14 knots East for 3 hours, then turns N 42º E for an hour. How far from port is the yacht.

11. A nautical problem Need to find a hypotenuse of a larger triangle. To find the distance.

12. A nautical problem The extension helps us find the hypotenuse. We have a few angles and the distance to add.

13. A nautical problem The extension helps us find the hypotenuse. We have a few angles and the distance to add.

14. A nautical problem The extension helps us find the hypotenuse. We have a few angles and the distance to add.

15. A nautical problem The extension helps us find the hypotenuse. We have a few angles and the distance to add.

16. A nautical problem The extension helps us find the hypotenuse. We have a few angles and the distance to add.

17. A nautical problem The extension helps us find the hypotenuse. We have a few angles and thedistance to add.

18. Harmonic Motion (Doing the Wave) Way of writing the Sine function or Cosine function with time. d = a Sin wtor d = a Cos wt d is the distance from the origin or Equilibrium a is for amplitude; w is like b in the normal function (changes period) Period =Frequency =

19. Homework Page 338 – 342 # 3, 11, 16, 21, 26, 31, 36, 41, 47, 53

20. Homework Page 338 – 342 # 9, 14, 19, 24, 27, 33, 40, 43, 52, 55