Предмет: Алгебра, автор: Yudsuki

2 sin2x*cos2x-1=0
Помогите пожалуйста.

Ответы

Автор ответа: sedinalana

0

sin4x-1=0
sin4x=1
4x=π/2+2ππn,n∈z
x=π/8+πn/2,n∈z

Автор ответа: Yudsuki

0

Спасибо,зайка. <3

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