Предмет: Алгебра, автор: аружан232

4sin^x=cos^x пожолустот помогите

Ответы

Автор ответа: Опыт

0

4sin^x=1-sin^x
sin^x=1/5
sinx=+-√5/5
x=(-1)^karcsin(√5/5)+Пk
x=(-1)^(k+1)*arcsin(√5/5)+пk

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