Решить уравнение: 3 sin^2x + sinX * cosX=0
Sin x*(3sin x + cos x) = 0 1) sin x = 0; x1 = Π*k 2) 3sin x + cos x = 0 3sin x = -cos x tg x = -1/3 x2 = -arctg(1/3) + Π*n