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find-cos-4-x-sin-4-x-cos-3-x-sin-3-x-dx-




Question Number 91641 by mathmax by abdo last updated on 02/May/20
find ∫ ((cos^4 x+sin^4 x)/(cos^3 x+sin^3 x))dx
$${find}\:\int\:\frac{{cos}^{\mathrm{4}} {x}+{sin}^{\mathrm{4}} {x}}{{cos}^{\mathrm{3}} {x}+{sin}^{\mathrm{3}} {x}}{dx} \\ $$

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