Ch 10'5 Sine and Cosine Ratios - PowerPoint PPT Presentation
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Ch 10'5 Sine and Cosine Ratios
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These ratios involve the hypotenuse of a right triangle. Sine Ratio ... hypotenuse. Cosine Ratio. For any acute angle A of a right triangle: B. A. C. b. c. a ... – PowerPoint PPT presentation
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Title: Ch 10'5 Sine and Cosine Ratios
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Ch 10.5 Sine and Cosine Ratios
- Find the sine and cosine of an acute angle.
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- Two other trigonometric ratios are sine and
cosine. These are abbreviated as sin and cosine. - These ratios involve the hypotenuse of a right
triangle.
???
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- Sine Ratio
- For any acute angle A of a right triangle
???
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- Cosine Ratio
- For any acute angle A of a right triangle
???
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Practice
- Find the sin A and cos A.
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Classwork
- Geometry book
- Page 566 1-10
- Neighbor help is ok
