How to integrate $ \int \frac{x^2}{(x \sin(x)+\cos(x))^2} \mathrm{d}x$
71982
Evaluating this integral $ \small\int \frac {x^2 dx} {(x\sin x+\cos x)^2} $
29370
Trig integral $\int ( \cos{x} + \sin{x}\cos{x}) \, dx $
18672
Integrate $\int_{0}^{\pi}{\frac{x\cos{x}}{1+\sin^{2}{x}}dx}$
126054
calculate $\int_o^\pi \frac{x\sin x}{1+\cos^2x} \,dx$
156215
Integral $\int\frac{2x^2}{2x\cos(2x)+(x^2-1)\sin(2x)} \mathrm d x$
142834
An integral : $\int_{-a}^a \frac{\cos(\pi n x/a)}{x^2+a^2}\mathrm dx$
75562
How to integrate $\int x^2 \sin^2(x)dx$
12859
Find $\int \frac{x^3}{x^2-1} \:\mathrm{d}x$
90313
Integrate $\int_0^\pi{{x\sin x}\over{1+\cos^2x}}dx$.
16800
Integrating $\int_0^{2\pi} \frac1{a\cos(t)+b\sin(t)+c}dt$ with $\sqrt{a^2+b^2}=1<c$
71742
integrate $\int_0^{2\pi} e^{\cos \theta} \cos( \sin \theta) d\theta$
153867
Evaluate $ \int_{0}^{\frac{\pi}2}\frac1{(1+x^2)(1+\tan x)}\:\mathrm dx$
24182
Evaluating $\int_{0}^{\infty}\frac{\sin^{2n+1}x}{x}\mathrm{d}x$
70013
How to calculate $\int \frac{x^2 }{(x^2+1)^2} dx$?
6573
Compute $\int \frac{\sin(x)}{\sin(x)+\cos(x)}\mathrm dx$
41447
tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$
150890
Evaluating $\int_{\mathbb{R}}\frac{\exp(-x^2)}{1+x^2}\,\mathrm{d}x$