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Warm Up. Angles of Depression/Elevation Law of Sines & Area of a A December 10 th, 2013 B December 11 th, 2013.

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Presentation on theme: "Warm Up. Angles of Depression/Elevation Law of Sines & Area of a A December 10 th, 2013 B December 11 th, 2013."— Presentation transcript:

1 Warm Up

2 Angles of Depression/Elevation Law of Sines & Area of a A December 10 th, 2013 B December 11 th, 2013

3 Angles of Elevation/Depression

4 Example

5

6 Area of a Triangle w/ Height

7 How to Label the Sides/Angles

8 The Area of a Triangle Formula

9

10 Example

11

12

13 Law of Sines / The Sine Rule

14 So when do I use law of sines and when do I use trig ratios? Use basic trig ratios and equations for RIGHT TRIANGLES ONLY! Law of Sines can be used when not a right triangle and given:

15 Law of Sines / The Sine Rule

16 Example-Finding Sides

17 Example-Finding Angles

18 Examples:

19 Example

20 Homework A Day Edition 2 Pg. 404 #1-3, 5-6, 9 Pg. 413 #1 and #4 Pg. 417 #1 Pg. 418 #1-2 B Day Edition 1 Pg #1-3, 5-6, 12 Pg #1 and #4 Pg. 341 #1 Pg. 343 #1-2


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