Question

Tan²a*cos²a+cos²aсрочнооо

Answer 1

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

Answer 2

I'm sorry, but the expression you provided seems to be incomplete or contains typographical errors. Could you please clarify or correct the expression?