Question

sin^2x+2sinx*cosx=0​

Answer 1

Ответ:

$sin(2x) + 2 sin(x) times cos(x) = 0 \ sin(2x) + sin(2x) = 0 \ 2 sin(2x) = 0 \ sin(2x) = 0 \ 2x = kpi \ x = frac{kpi}{2}$