Question Number 133979 by Ñï= last updated on 26/Feb/21
$$\int_{\mathrm{0}} ^{\pi/\mathrm{4}} \frac{{sin}^{\mathrm{2}} {xcos}^{\mathrm{2}} {x}}{\left({sin}^{\mathrm{3}} {x}+{cos}^{\mathrm{3}} {x}\right)^{\mathrm{3}} }{dx}=? \\ $$
0-pi-4-sin-2-xcos-2-x-sin-3-x-cos-3-x-3-dx-