Question Number 90480 by M±th+et£s last updated on 23/Apr/20
$$\int{e}^{{x}} \frac{\left(\mathrm{1}+{cos}\left({x}\right)\right)\left(\mathrm{1}−{sin}\left({x}\right)\right)}{\left({e}^{{x}} \:{cos}\left({x}\right)+\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$