Упростить выражение.. Created by ClarisVerbis. algebra-ru

Упростить выражение...

ClarisVerbis @ClarisVerbis

October 2021 2 21 Report

Упростить выражение.

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Cos4α + Sin²2α = Cos²2α - Sin²2α + Sin²2α = Cos²2α

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ZLOYTIGROVSKIY

$\cos(4 \alpha ) + \sin {}^{2} (2 \alpha ) \\ \\ \cos {}^{2} (2 \alpha ) - \sin {}^{2} (2 \alpha ) + \sin {}^{2} (2 \alpha ) = \cos {}^{2} (2 \alpha )$

~•~•~•ZLOY_TIGROVSKIY~•~•~•

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