SVXVtFeH
1.0
CCSS.Math.Content.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.
618
2020-12-17T17:26:58.787650Z
2020-12-17T17:26:58.787678Z
4