Question Number 106232 by abdomathmax last updated on 03/Aug/20
$$\mathrm{find}\:\int\:\mathrm{cos}^{\mathrm{n}} \mathrm{x}\:\mathrm{ch}\left(\mathrm{nx}\right)\mathrm{dx}\:/\mathrm{with}\:\mathrm{n}\:\mathrm{integr} \\ $$
find-cos-n-x-ch-nx-dx-with-n-integr-