Sqrt((1+cos4)/2)+cos2 или корень из((1+косинус4)/2)+ косинус2....?. Created by acskirillacs. algebra-ru

2)+ косинус2....?...

August 2022 1 5 Report

Sqrt((1+cos4)/2)+cos2 или корень из((1+косинус4)/2)+ косинус2....?

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allangarsk √((1 + cos4)/2) + cos2= √((1 + 1 + 2(sin2)²)/2) + cos2 = √((2 + 2(sin2)²)/2) + cos2= √((sin2)²) + cos2= sin2 + cos2

allangarsk была потеряна единица Правильный ответ:V((1 + cos4)/2) + cos2= V((1 + 1 - 2(sin2)^2)/2) + cos2 = V((2 - 2(sin2)^2)/2) + cos2= V(1-(sin2)^2) + cos2= V((cos2)^2) + cos2= cos2 + cos2=2cos2

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acskirillacs July 2022 | 0 Ответы

pomogite ochen legkie zadachi 1 zapishite urovnenie pryamoj kotoraya prohodit che

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