Предмет: Математика, автор: ROST999

√2cos2x=cosx/2 sinx/2 помогите пожалуйста срочно

Ответы

Автор ответа: ambosh

X = 7/9+3/6 = 14/18 + 9/18 = 23/18

ROST999: А можно по подробнее пожалуйста

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