4+x)+sin^2x=0...

ANDKURSK @ANDKURSK

August 2022 1 2 Report

2sin(pi/4+x)sin(pi/4+x)+sin^2x=0

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tatyanazubkova Sin(π/2+2x)+sin^2x=0;
cos^2(2x)+sin^2x=0;
cos^2x-sin^2x+sin^2x=0;
cos^2x=0;
cosx=0;
x=π/2+πn,n∈Z

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