Integration of $\sin x/x$
3704
Evaluating the integral $\int_0^\infty \frac{\sin x} x \,\mathrm dx = \frac \pi 2$?
14279
Indefinite Integral with "sin" and "cos": $\int\frac{3\sin(x) + 2\cos(x)}{2\sin(x) + 3\cos(x)} \; dx $
32672
Integrating :$\int_{0}^{1} \frac{x^{b}-x^{a}}{\log(x)}\sin(\log(x))dx$
90573
Indefinite integral $\int(\sin x)^2/(x\cdot\cos x-\sin x)^2\,dx$
60182
Evaluate $\int\frac{1}{\sin(x-a)\sin(x-b)}\,dx$
65093
Integrate $\int \sin^4x \cos^2x dx$
112885
Integrate $1/x$ by parts.
61740
Evaluate the integration : $\int\sqrt{\frac{(1-\sin x)(2-\sin x)}{(1+\sin x)(2+\sin x)}}dx$
41447
tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$
99457
How to integrate $\int x\sin {(\sqrt{x})}\, dx$
104691
Integration of $\int_{0}^{1} \frac{x^k}{1-x} dx$
143734
Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$
21375
The integral $\int_0^\infty \dfrac{x \sin(x)}{x^2+1} dx$
130736
Integrating $\int^0_\pi \frac{x \sin x}{1+\cos^2 x}$
118701
Evaluate $\int_{0}^{\frac{\pi }{2}}\frac{x dx}{\sin x +\cos x}$
43699
How do I integrate $\int \frac{dx}{\sin^3 x + \cos^3 x}$?
118330
How do we know what the integral of $\sin (x)$ is?