Sin(arccos(1/3)+arccos(2*sqrt(2)/3). Created by Stas19rus. algebra-ru

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Stas19rus @Stas19rus

December 2021 1 4 Report

Sin(arccos(1/3)+arccos(2*sqrt(2)/3)

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Матов

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$arccos\frac{1}{3}=x\\
cosx=\frac{1}{3}\\
sinx=\sqrt{1-\frac{1}{9}}=\frac{\sqrt{8}}{3}\\
sin(arccos\frac{1}{3})=\frac{\sqrt{8}}{3}\\\\
\frac{\sqrt{8}}{3}+ arccos\frac{2\sqrt{2}}{3}$

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ch schitaya dvizhenie avtomobilya ravnouskorennym opredelit silu tyagi dvigatelya k2bf86d8a876805ee90295f3c03bd0f6f 32237

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