Question

sin^2(3pi/4-2x)=1 помогите

Answer 1

$frac{1 - cos( frac{3pi}{2} - 4x ) }{2} = 1 \ 1 + cos(4x) = 2$
$cos(4x) = 1 \ 4x = 2pi times k \ x = frac{pi times k}{2}$