Предмет: Алгебра, автор: laura127

2sin(-2x)=1, помогите решить, пожалуйста

Ответы

Автор ответа: WRTLN

0

2sin(-2x)=1
-2sin(2x)=1
sin2x=-1/2
2x= (-1)^n*(-П/6)+2Пn, n∈Z
x=(-1)^(n+1)*П/12+Пn, n∈Z

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