IB SL: Basic Concepts in Unit Circle

Category: IB課程, 國際課程 Date: 2018年1月18日下午7:32

1. Define the trig ratios in right triangle.

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2. Two conference triangles.

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3. Define the trig ratios in unit circle.

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4. Find the sin50 = ?

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Find the sine , cosine , tangent of the angle ?

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