Решите уравнение √2sinx/3=-1. Created by ulia26d. algebra-ru

3=-1...

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July 2022 1 23 Report

Решите уравнение
√2sinx/3=-1

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$\sqrt2\, sin\frac{x}{3}=-1\\\\sin\frac{x}{3}=-\frac{1}{\sqrt2}\\\\\frac{x}{3}=(-1)^{n}\cdot (-\frac{\pi}{4})+\pi n\; ,\; n\in Z\\\\x=(-1)^{n+1}\cdot \frac{3\pi }{4}+3\pi n\; ,\; n\in Z$

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ch ostavshiesya 110 km on proehal za 2 chasa najdite srednyuyu skorost motociklista

ch bolshe skorosti avtobusa i vstretil avtobus cherez t ch posle svoego vyezdachem

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