Question Number 140634 by Mathspace last updated on 10/May/21
$${find}\:\int_{−\infty} ^{+\infty} \:\frac{{cos}\left(\mathrm{2}{sinx}\right)}{\left({x}^{\mathrm{2}} −{x}+\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$
find-cos-2sinx-x-2-x-1-2-dx-