How to evaluate this integration?
105494
Gaussian-like integral : $\int_0^{\infty} e^{-x^2} \cos( a x) \ \mathrm{d}x$
31621
Evaluate a Nested Integral
81621
How to evaluate the integral $\int_{0}^{\infty}\frac{\cos {(ax)}-\cos{(b x)}}{x^2 }dx$?
150890
Evaluating $\int_{\mathbb{R}}\frac{\exp(-x^2)}{1+x^2}\,\mathrm{d}x$
99584
Evaluation of $\int \frac{\sqrt{\sin ^4x+\cos ^4x}}{\sin ^3x \cos x }dx$
139784
Computing integration $\int_0^1\frac{\ln x}{1-x}d x$
89028
Evaluate the integral $\int e^{-x}x^n dx$
115759
Evaluating this integral : $ \int \frac {1-7\cos^2x} {\sin^7x \cos^2x} dx $
58909
Evaluation of $\int\frac{dx}{x+ \sqrt{x^2-x+1}}$
41867
Best way to evaluate integral with contour integration?
49203
Evaluating $\int \sqrt{1 + t^2} dt$?
106587
Calculation of an integral with a Bessel function
99186
Gaussian integral evaluation
27910
How to evaluate $\int_0^{2\pi} \frac{d\theta}{A+B\cos\theta}$?
110394
For which values this integral converge?
25489
Evaluate the Integral: $\int e^{2\theta}\ \sin 3\theta\ d\theta$
9518
Evaluate: $ \int_0^1 \int_y^1 e^{x^2 }dxdy$