Question Number 31061 by abdo imad last updated on 02/Mar/18
$${find}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \:\left({sin}\theta\:−{cos}\theta\right){ln}\left({sin}\theta+{cos}\theta\right){d}\theta. \\ $$
find-0-pi-2-sin-cos-ln-sin-cos-d-