How to integrate $e^{-t^2}$?
4287
Proving $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx = \frac{\sqrt \pi}{2}$
41738
Best way to integrate $ \int_0^\infty \frac{e^{-at} - e^{-bt}}{t} \text{d}t $
127712
Integration (Fourier transform)
92898
How to integrate $\sqrt{1-\sin 2x}$?
84826
Evaluating $\int_0^{2 \pi} e^{\cos x} \cos (nx - \sin x) \,dx$ using complex analysis
86712
Use rectangular contour to integrate $\int_{0}^{\infty}\frac{\sin(ax)}{e^{2\pi x}-1}dx$
29680
How to determine $\int x^2 e^{-x^2}\mathrm dx$?
56815
how to solve $\int_{-\infty}^\infty e^{-x^2-x{\tau}} \cdot x\ dx$?
156485
How to evaluate $\int_{0}^{2\pi}e^{\cos \theta}\cos( \sin \theta) d\theta$?
108776
How to integrate $\int \frac{ev+f}{av^2 + bv +c} dv$?
84683
integrate $dx/(a^2 \cos^2x+b^2 \sin^2x)^2$
86857
Integrate $\int_{0}^{2\pi}\log|1-e^{i\theta}| d\theta$
8642
Calculate $ \int_{-2}^{0} \frac{x}{\sqrt{e^x+(x+2)^2}} dx $
518
What is the integral of $\int e^x\,\sin x\,\,dx$?
70830
How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?
42992
How do I integrate the following? $\int{\frac{(1+x^{2})\mathrm dx}{(1-x^{2})\sqrt{1+x^{4}}}}$
39697
Integration of $e^{ax}\cos bx$ and $e^{ax}\sin bx$