Автор - Pimenova564

Решить неравенство.
Cоs(2х+П/3)> -Корень из 3/2

Ответ

Проверено экспертом

Автор - Senpai908

cos Big(2x+dfrac{pi}{3}Big)>-dfrac{sqrt{3}}{2}\ \ -dfrac{5pi}{6}+2pi n <2x+dfrac{pi}{3}<dfrac{5pi}{6}+2pi n,n in mathbb{Z}~~~~bigg|-dfrac{pi}{3}\ \ -dfrac{7pi}{6}+2pi n <2x<dfrac{pi}{2}+2pi n , n in mathbb{Z}~~~~bigg|:2\ \ boxed{-dfrac{7pi}{12}+pi n<x<dfrac{pi}{4}+pi n,n in mathbb{Z}}

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