Question

6sin^2x-5sinx*cosx=0

Answer 1

Ответ:
6sin^2x-5sinx*cosx=0
sinx(6sinx-5cosx)=0
sinx=0
x=pik
6sinx-5cosx=0   |/cosx
6tgx-5=0
6tgx=5
tgx=5/6
x=arctg(5/6)+pik