Question Number 96193 by mathmax by abdo last updated on 30/May/20
$$\mathrm{calculate}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \left(\mathrm{ln}\left(\mathrm{cosx}\right)\right)^{\mathrm{2}} \:\mathrm{dx} \\ $$
calculate-0-pi-2-ln-cosx-2-dx-