How to solve $\int_0^\infty \frac{\sin(2x)}{e^x} dx$?
518
What is the integral of $\int e^x\,\sin x\,\,dx$?
95068
Integral of $\frac{1}{2x}$
56815
how to solve $\int_{-\infty}^\infty e^{-x^2-x{\tau}} \cdot x\ dx$?
129892
show $\int_0^{\infty} \frac{x\sin ax}{x^2+t^2}dx = \frac{\pi}{2}e^{-at}$
106812
Find $\int_{0}^{\infty} \frac{\ln(x)}{1+x^2}dx$
29425
$\int_{0}^{\infty}\frac{\sin^{2n+1}(x)}{x} \mathrm {d}x$ Evaluate Integral
89602
$ \int_{0}^{ \infty} \int_{0}^{ \infty} \frac { e^{-(x+y)}}{x+y} dx dy $
133485
How to solve $\int_0^{\infty} \frac{\log(x+\frac{1}{x})}{1+x^2}dx$?
59667
Evaluating $\int_0^\infty\frac{\sin(x)}{x^2+1}\, dx$
137549
Given $\int_0^{\infty}e^{-x^2}dx = \frac{\sqrt{\pi}}{2}$, evaluate $\int_0^{\infty}e^{-a^2x^2-\frac{b^2}{x^2}}dx $
81831
Evaluate $\int_0^{\infty}\frac{\log x}{1+e^x}\,dx$
42758
How to find $ \int_0^\infty \dfrac x{1+e^x}\ dx$
24182
Evaluating $\int_{0}^{\infty}\frac{\sin^{2n+1}x}{x}\mathrm{d}x$
139297
Find the sign of $\int_{0}^{2 \pi}\frac{\sin x}{x} dx$
132000
Calculate $\int_0^\infty\frac{\sin x}xdx$ by integration of a suitable function along given paths
95426
How to compute $ \frac{1}{\sqrt{2\pi}} \int_{-\infty}^\infty \frac{e^{-{x^2}/{2}}}{1+e^{-(ax+b)}}\,\mathrm dx $ when $b \ne 0$
36366
Prove $\int_0^\infty \frac{\sin^4x}{x^4}dx = \frac{\pi}{3}$