Question Number 31493 by abdo imad last updated on 09/Mar/18
$${if}\:\left({xcos}\theta\:+{sint}\right)^{{n}} \:={Q}\left({x}^{\mathrm{2}} +\mathrm{1}\right)\:+{R}\:\:{find}\:{tbe}\:{polynomialR} \\ $$
if-xcos-sint-n-Q-x-2-1-R-find-tbe-polynomialR-