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## Trigonometry

### Course: Trigonometry > Unit 1

Lesson 1: Ratios in right triangles- Getting ready for right triangles and trigonometry
- Hypotenuse, opposite, and adjacent
- Side ratios in right triangles as a function of the angles
- Using similarity to estimate ratio between side lengths
- Using right triangle ratios to approximate angle measure
- Use ratios in right triangles
- Right triangles & trigonometry: FAQ

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# Use ratios in right triangles

CCSS.Math: HSG.SRT.B.5, HSG.SRT.C.6

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