SIN 60 ГРАДУСОВ * СOS 330 ГРАДУСОВ+СOS 180 ГРАДУСОВ+(SIN 225 ГРАДУСОВ-COS(-45 ГР...

August 2022 1 17 Report

SIN 60 ГРАДУСОВ * СOS 330 ГРАДУСОВ+СOS 180 ГРАДУСОВ+(SIN 225 ГРАДУСОВ-COS(-45 ГРАДУСОВ))

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Andrey3405 Sin(60)=sqrt(3)/2cos(330)=sqrt(3)/2cos(180)=-1sin(225)=-sqrt(2)/2cos(-45)=cos(45)=sqrt(2)/2sin(60)*cos(330)+cos(180)+(sin(225)-cos(-45))=sqrt(3)/2*sqrt(3)/2-1+(-sqrt(2)/2-sqrt(2)/2)=3/4-1-sqrt(2)=-1/4-sqrt(2)

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