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find-0-pi-4-cost-cos-3-t-sin-3-t-dt-




Question Number 31459 by abdo imad last updated on 08/Mar/18
find  ∫_0 ^(π/4)    ((cost)/(cos^3 t +sin^3 t)) dt.
$${find}\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \:\:\:\frac{{cost}}{{cos}^{\mathrm{3}} {t}\:+{sin}^{\mathrm{3}} {t}}\:{dt}. \\ $$

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