Предмет: Математика, автор: polya9127529219

3cosx-5sinx=0
5sin^2x+sinx=0
cos5x+cosx=0
cosx >-1
cos x/2 < или ровно 0
Помогите пожалуйста!!!

Ответы

Автор ответа: dimok376
0
чем помочь?????????????
Автор ответа: polya9127529219
0
нужно все это решить
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