Предмет: Алгебра, автор: nervikus

4sinx*cos2x +2sinx -2cos2x-1=0

Ответы

Автор ответа: rylova59nastusha

проверь только. я не уверенна

Приложения:

Автор ответа: nervikus

я немного по другому решил. я за скобку взял. и получилось (2sinx-1)(2cos2x+1)=0

Автор ответа: rylova59nastusha

тогда совсем по другому получается, скорее всего я не права

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