Question Number 140281 by mohammad17 last updated on 06/May/21
$$\int_{\mathrm{0}} ^{\:\frac{\pi}{\mathrm{2}}} \frac{{tan}^{−\mathrm{1}} \left(\sqrt{{tanx}}\right)}{{tanx}}{dx} \\ $$
Commented by mohammad17 last updated on 06/May/21
$$?????? \\ $$