Calculating $\int \sin x e^x \Bbb d x$ by parts twice
38949
How to Evaluate $\int e^{2x}\sin(3x)\ dx$?
73489
How is the Integral of $\int_a^bf(x)~dx=\int_a^bf(a+b-x)~dx$
8606
Calculate $\int^{n+1}_1 \frac{(\{x\})^{[x]}}{[x]}dx$ where $n\in\mathbb{N}$, $[x]$ is the integer part of $x$ and $\left\{ x\right\} =x-[x]$.
41447
tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$
142907
Integrating Floor Functions $\int_0^{1102} \lfloor{x^{1/2}}\rfloor \mathrm{d}x$
122843
Finding $\int_0^\infty \frac{\cos(ax)-\cos(bx)}{x}dx$
148746
Calculating $\int\frac{e^{iz}}{z}\, dz$ on the semi-circle given by $re^{i\theta}$ where $\theta:\,0\to\pi$
110476
Integral of sinc function multiplied by Gaussian
120088
How do I calculate a double integral like $\iint_\mathbf{D}e^{\frac{x-y}{x+y}}dx\,dy$?
46833
How to solve integration by parts
107947
Constants of integration in integration by parts
121071
Calculation of $\int^{\pi/2}_{0}\cos^{n}(x)\cos (nx)\,dx$, where $n\in \mathbb{N}$
106878
How to integrate $\int \frac{e^x dx}{1\,+\,e^{2x}}$
90573
Indefinite integral $\int(\sin x)^2/(x\cdot\cos x-\sin x)^2\,dx$
177
How can I calculate $\int^{\infty}_{-\infty}\Phi\left(\frac{w-a}{b}\right)\phi(w)\,\mathrm dw$
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
116778
Calculation of an integral via residue.