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calculate-0-pi-2-ln-cosx-2-dx-




Question Number 63034 by mathmax by abdo last updated on 28/Jun/19
calculate ∫_0 ^(π/2) (ln(cosx))^2  dx
$${calculate}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \left({ln}\left({cosx}\right)\right)^{\mathrm{2}} \:{dx}\: \\ $$

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