Предмет: Математика, автор: kazantsev99

4cos(в квадрате)x -3=0

Ответы

Автор ответа: КНВ

$4〖cos〗^2 x-3=0 <br /><br />〖cos〗^2 x= 3/4 <br /><br />cos⁡〖x= ±arccos⁡√(3/4+ 2πn,nϵZ) 〗$

Автор ответа: L303

ничего не понятно

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