# Common Core Aligned Resources for HSF-TF.C.8

#### Prove the Pythagorean identity sin^2(θ) + cos^2(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

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- Heather H., Teacher
- El Dorado, AR