Вычислить sin x, если tg x=√2 4,5п. Created by az1az2az345756. algebra-ru

Вычислить sin x, если tg x=√2 4,5п...

az1az2az345756 @az1az2az345756

July 2022 1 8 Report

Вычислить sin x, если tg x=√2
4,5п

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$tgx=\sqrt2>0\\\\1+tg^2x=\frac{1}{cos^2x}\; \; \to \; \; \; cos^2x=\frac{1}{1+tg^2x}=\frac{1}{1+2}=\frac{1}{3}\\\\4,5\pi 0\\\\sinx=+\sqrt{1-cos^2x}=\sqrt{1-\frac{1}{3}}=\sqrt{\frac{2}{3}}$

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tex v tochke h01

reshite neravenstvo h 2 h 0

vychislit sin x esli tg x2 45p446723dab78fea0cf2df78a6d7926a5b 38556

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kakie chasy budut speshita kakie otstavat i pochemu te chto s mayatnikom ili zhe t

tex]...

reshite neravenstvo h 2 h h 0

pozhalujstasrochno dayu 60 ballov

srochno gde primenyaetsya zakon prelomleniya sveta mozhno odin primerno podrobno

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