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androsova99
@androsova99
July 2022
2
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ПОЖАЛУЙСТА ДОКАЖИТЕ ТОЖДЕСТВО!!! cos^4α+sin^2α*cos^2α+sin^2α=1
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yanaaleksandrov
Cos^4a+sin^2a*cos^2a+sin^2a=cos^2a(cos^2a+sin^2a)+sin^2a=cos^2a*1+sin^2a=1
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Юнга228
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