Предмет: Алгебра, автор: petrenko123

решите уравнение sin2x=2sinx-cosx+1

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Автор ответа: tanyakroxa

0

2sinxcosx - 2sinx + cosx - 1 = 0
2sinx( cosx -1) +cosx - 1 = 0
( cosx - 1 )( 2 sinx +1 )

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