Question

Sin squre A +cos squre B is equel to 1

Answer 1

Answer:

$\sin {}^{2} ( \alpha ) + { \cos {}^{2} ( \beta ) }^{} = 1 \\ \sin {}^{2} ( \alpha ) = 1 - \cos {}^{2} ( \beta ) \\ = \sin {}^{2} ( \beta ) \\ so \: \alpha = \beta$