Jika diketahui - Universityku

$2 {cos}^{4} alpha = {sin}^{2} alpha :$
maka
$tan alpha =$

Jika diketahui

$tan( alpha ) = frac{ sin^{2} alpha}{ cos alpha } \ tan( alpha ) = sqrt{ frac{ sin^{2} }{ cos^{2} alpha } } \ tan( alpha ) = sqrt{ frac{ frac{1}{2} }{ frac{1}{2} } } \ tan( alpha ) = 1$