Question Number 1788 by 112358 last updated on 26/Sep/15
$${Find}\:{the}\:{value}\:{of}\:{Q}\:{if}\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:{Q}=\int_{\mathrm{0}} ^{\:\pi/\mathrm{2}} {ln}\left(\frac{\mathrm{1}+{sinx}}{\mathrm{1}+{cosx}}\right){dx}\:. \\ $$$$ \\ $$
Commented by John_Haha last updated on 21/Nov/15
$${assume}\:{p}={pi}/\mathrm{2}\:−{x}\:{and}\:{you}\:{will}\:{get}\:{zero} \\ $$