Question

I will _ you?
$1 { \sqrt[ \frac{ \sqrt[?]{?} }{?} ]{?} \times \frac{?}{?} \times \frac{?}{?} }^{2} \times \frac{?}{?}$
​

Answer 1

Answer:

$\sin^{4} ( \alpha ) - \cos^{4} ( \alpha )$