Question Number 216596 by issac last updated on 12/Feb/25
![∫∫_(D) ((sin(x^2 +y^2 )+tan(x^2 +y^2 ))/(cos(x^2 +y^2 )+tan(x^2 +y^2 )))dxdy D=[0,(π/4)]×[0,(π/4)]](https://www.tinkutara.com/question/Q216596.png)
$$\underset{\mathcal{D}} {\int\int}\:\:\:\frac{\mathrm{sin}\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)+\mathrm{tan}\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)}{\mathrm{cos}\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)+\mathrm{tan}\left({x}^{\mathrm{2}} +{y}^{\mathrm{2}} \right)}\mathrm{d}{x}\mathrm{d}{y} \\ $$$$\mathcal{D}=\left[\mathrm{0},\frac{\pi}{\mathrm{4}}\right]×\left[\mathrm{0},\frac{\pi}{\mathrm{4}}\right] \\ $$
Answered by issac last updated on 12/Feb/25
$$\mathrm{Q216579} \\ $$