Решите уравнение, пожалуйста. Created by keksiikk. algebra-ru

Решите уравнение, пожалуйста...

July 2022 1 6 Report

Решите уравнение, пожалуйста

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dimaogol2000

$sin(x+\frac{\pi}{6})sin(x-\frac{\pi}{6})=\frac{1}{4}\frac{1}{4}-\frac{cos(2x)}{2}=\frac{1}{4}\\\frac{cos(2x)}{2}=0cos(2x)=0=>x=\frac{\pi}{4}+\frac{\pi k}{2}$

k∈Z

2 votes Thanks 1

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