how can i solve this integral (steps included)?
3343
Integration of secant
2411
Integrate $\int_0^{\pi/2} \frac{1}{1+\tan^\alpha{x}}\,\mathrm{d}x$
31529
Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$
51216
Different ways to tackle the integral $\int_0^1\sqrt\frac x{1-x}\,dx$
137648
What is the mistake in doing integration by this method?
66304
How to evaluate these integrals by hand
31587
Finding a difficult integral
123663
General integral to find resistance
91196
Complex Integration of $\int_0^\infty e^{-ax}\cos(bx)\,dx$
152336
Any hint to solve given integral $\int_0^{2{\pi}}{{d\theta}\over{a^2\cos^2\theta+b^2\sin^2\theta}}$?
140295
Integral equation problem
141503
Need help calculating a definite integral
152358
integration using residue
98757
Solving an integral with substitution method
82206
Solving an equation involving an integral
86857
Integrate $\int_{0}^{2\pi}\log|1-e^{i\theta}| d\theta$
41372
Stuck on crucial step while computing $\int_{- \infty}^{\infty} e^{-t^2}dt$