Michigan Learning Channel

Share

Standard MI.Math.Content.HSF-TF.C.8

Prove and apply trigonometric identities

Michigan State Math Standards

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