Question

Can anybody solve this sum, if yes so plzzz solve. NO SPAM PLEASE​

Answer 1

Step-by-step explanation:

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