Предмет: Алгебра, автор: Lorukai

6*cos2x+2*sin2x=0
помогите решить

Ответы

Автор ответа: НикаВодолей
0
6сos(2x)+2sin(2x)=0
6tg(2x)+2=0
6tg(2x)=2
tg(2x)=1/3
2x=arctg(1/3)+pin
x=1/2*arctg(1/3)+(pin)/2
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