Is there a nice expansion for $\int e^{\cos(x)}dx$?
51991
What is the integral of $e^{\cos x}$
133279
Does $\lim_{n\to\infty}\underset{n}{\underbrace{\cos(\cos(...\cos x))}}$ exist?
110343
Integrating $\rm x^ae^{-bx}$.
117602
How to evaluate $\int \cot^2(x) \;\mathrm dx$?
91212
Evaluate $\int \cos^3 x\;\sin^2 xdx$
107987
How do I calculate $u(w)=\int_0^\infty \frac{1-\cos(wt)}{t}\,e^{-t}\,dt$?
148632
How to expand $\cos nx$ with $\cos x$?
106878
How to integrate $\int \frac{e^x dx}{1\,+\,e^{2x}}$
79279
Integral of cosec squared ($\operatorname{cosec}^2x$, $\csc^2x$)
121403
How to integrate $ \int x^n e^x dx$?
15625
Computing $\int_0^\infty\mathrm{d} x\frac{x}{e^x+1}$ with contour integration
63988
General formula for evaluating integrals of the form $\displaystyle\int_0^\infty x^ae^{-bx}dx$
51488
Evaluating $\int^\pi_{-\pi} \cos^3(x) \cos(ax)~dx$
18931
Is there really no way to integrate $e^{-x^2}$?
135967
What is the odd Fourier extension of $\sin x \cos(2x)$?
13978
Calculating the integral $\int_0^\infty \frac{\cos x}{1+x^2}\, \mathrm{d}x$ without using complex analysis
46359
Finding the general integrals of functions like $\frac1{x^n+1}$, $\cos^nx$.