Pythagorean Identity

Applying Pythagorean identity to solve problems.

Mapped to CCSS Section# HSF.TF.C.8

Prove the Pythagorean identity sin2(θ) + cos2(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.