\int\underset{I}{x}.\underset{II}{\left ( e^{xsinx+cosx}.xcosx \right )}dx-\int \underset{I}{e^{xsinx+cosx}}\left (\underset{II}{\frac{xsinx-cosx}{(xcosx)^2}\right) \right}dx
integrate by parts
then see wat happens
\int {e^{x\sin x+\cos x}}\left(\frac{x^4\cos^3x-x\sin x +\cos x}{x^2\cos^2 x} \right)dx
\int\underset{I}{x}.\underset{II}{\left ( e^{xsinx+cosx}.xcosx \right )}dx-\int \underset{I}{e^{xsinx+cosx}}\left (\underset{II}{\frac{xsinx-cosx}{(xcosx)^2}\right) \right}dx
integrate by parts
then see wat happens