Question

What is the formula for cos^2 and sin^2

Answer 1

Answer:

$\cos {}^{2} ( \alpha ) = 1 - \sin {}^{2} ( \alpha )$

$\sin {}^{2} ( \alpha ) = 1 - \cos {}^{2} ( \alpha )$

$\sin {}^{2} ( \alpha ) + \cos {}^{2} ( \alpha ) = 1$