How to calculate the integral
10036
Proof of $\int_0^\infty \left(\frac{\sin x}{x}\right)^2 \mathrm dx=\frac{\pi}{2}.$
17115
Please tell me how to evaluate this integral.
130668
Evaluating the integral with trigonometric integrand
34565
How do I differentiate this integral?
84884
Need help with the integral $\int_{0}^\infty e^{-x^{2}}x^{2n+1}dx $
141503
Need help calculating a definite integral
80736
How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$
126054
calculate $\int_o^\pi \frac{x\sin x}{1+\cos^2x} \,dx$
135447
Compute the integral $\int_0^{\frac\pi2}\frac{\mathrm d \theta}{\sqrt{\sin \theta}}$
120705
How to find integration with Unknown
107987
How do I calculate $u(w)=\int_0^\infty \frac{1-\cos(wt)}{t}\,e^{-t}\,dt$?
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
84942
What is the integral of 0?
75562
How to integrate $\int x^2 \sin^2(x)dx$
1516
How did you prove this integral?
11757
How can I compute the integral $\int_{0}^{\infty} \frac{dt}{1+t^4}$?
123532
An incorrect answer for an integral