Question Number 42800 by maxmathsup by imad last updated on 02/Sep/18
$${find}\:\int\:\:\:\:\:\frac{{sinx}}{\mathrm{1}+\mathrm{2}\:{cosx}}{dx} \\ $$
Answered by malwaan last updated on 03/Sep/18
$$−\frac{\mathrm{1}}{\mathrm{2}}\mathrm{ln}\mid\mathrm{1}+\mathrm{2cosx}\mid+\mathrm{c} \\ $$