I've got this Integral to evaluate , a really messy one
41447
tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$
130058
Evaluate $\int_0^{\pi} e^{a\cos(t)}\cos(a\sin t)dt$
103374
A Problem on Improper Integrals
116778
Calculation of an integral via residue.
41738
Best way to integrate $ \int_0^\infty \frac{e^{-at} - e^{-bt}}{t} \text{d}t $
89499
Evaluating the integral $\int_0^{\frac{\pi}{2}}\log\left(\frac{1+a\cos(x)}{1-a\cos(x)}\right)\frac{1}{\cos(x)}dx$
7835
Tricky elementary integral $\int_{0}^{\frac{\pi}{2}}x\cot(x)dx$.
84765
Evaluating $\int_{-\infty}^{\infty}\frac{1}{(x^2+b^2)^2}dx$
66304
How to evaluate these integrals by hand
156531
Evaluating the integral $\int_{-\infty}^\infty \frac{\sin^2(x)}{x^2}e^{i t x} dx$
24808
How to evaluate the integral $\int \sqrt{1+\sin(x)} dx$
7102
How to deal with complicated Gaussian integrals in Mathematica?
31621
Evaluate a Nested Integral
102541
Did I solve this definite integral correctly?
123532
An incorrect answer for an integral
110602
A nasty integral of a rational function
41867
Best way to evaluate integral with contour integration?