November 2021 0 8 Report
Tgx=tg2x sin2x-2корня из 3cos^2x=0
cos^2(pi-x)-2cosx=0
cos4x+cosx=0
2sin^2(3pi/2)-3sin(pi/2+x)-2=0
1-cos2x=sinx
Срочно 100 баллов
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