April 18, 2011

10.1 Tangent Ratios Trigonometry Trigonometric Ratios: Sine, Cosine, and Tangent **Tangent

Example: Find tan(S) and tan(E). Express each ratio as a fraction M and as a decimal. 3

4

S

On the calculator... Find tan43o Find the angle that produces a tangent of 1.

5

E

April 18, 2011

Example: A plane is one mile above sea level when it begins to climb at a constant angle of 2o for the next 70 ground miles. How far above sea level is the plane after its climb?

Example: A 16-foot ladder is propped against a building. The angle it forms with the ground measures 55o. How far up the side of the building does the ladder reach?

HOMEWORK: pages 635-636 #13-33 odd

## 10.1 Tangent Ratios.pdf

building does the ladder reach? HOMEWORK: pages 635-636 #13-33 odd. Page 2 of 2. 10.1 Tangent Ratios.pdf. 10.1 Tangent Ratios.pdf. Open. Extract.

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