Предмет: Математика, автор: Stasay5

cos (0,5п+2x) + sin(x) =0

Ответы

Автор ответа: AigulkaTukaeva

-sin2x+sinx=0
sinx-2sinxcosx=0
sinx(1-2cosx)=0
1)sinx=0=>x=pin
2)1-2cosx=0;cosx=1/2=>x=+/-pi/3+2pik,k€Z,n€Z.

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