Calculating $\int \sin x e^x \Bbb d x$ by parts twice
518
What is the integral of $\int e^x\,\sin x\,\,dx$?
110476
Integral of sinc function multiplied by Gaussian
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
84826
Evaluating $\int_0^{2 \pi} e^{\cos x} \cos (nx - \sin x) \,dx$ using complex analysis
84683
integrate $dx/(a^2 \cos^2x+b^2 \sin^2x)^2$
54638
Integral $\int^{ \pi /2}_{0} \ln (\sin x)\ dx$
89028
Evaluate the integral $\int e^{-x}x^n dx$
140386
Integrate $\int {\dfrac{x^2+\left(n-1\right)n}{\left(x\sin x+n\cos x\right)^2}}dx $
91251
$n$th derivative of $e^{ax}\sin(bx+c)$
138355
Improper rational/trig integral comes out to $\pi/e$
157364
$\int_{-2}^{2} \sin(x^5)e^{(x^8\sin(x^4))} dx$
126054
calculate $\int_o^\pi \frac{x\sin x}{1+\cos^2x} \,dx$
101030
Integration $I_n=\int _0^{\pi }\sin^{2n}\theta d\theta $
74241
Integrate square of the log-sine integral: $\int_0^{\frac{\pi}{2}}\ln^{2}(\sin(x))dx$
83488
Integrating $\ln x$ by parts
90573
Indefinite integral $\int(\sin x)^2/(x\cdot\cos x-\sin x)^2\,dx$
121403
How to integrate $ \int x^n e^x dx$?