Evaluate $\int^{\pi/2}_0 \frac 1 {1+\tan^\sqrt2x}dx$.
2411
Integrate $\int_0^{\pi/2} \frac{1}{1+\tan^\alpha{x}}\,\mathrm{d}x$
65847
To evaluate $\int_{0}^\pi \frac {\sin^2 x}{a^2-2ab \cos x + b^2}\mathrm dx$?
6830
Find $\int\frac1x\sqrt\frac{1-x}{1+x}\ dx$
27910
How to evaluate $\int_0^{2\pi} \frac{d\theta}{A+B\cos\theta}$?
138230
Evaluate $ \int^{\frac{\pi}{2}}_0 \frac{\sin x}{\sin x+\cos x}\,dx $ using substitution $t=\frac{\pi}{2}-x$
45872
Integration: $\int\frac{1}{(x^2+x+1)^{1/2}} dx$
100401
Evaluate $\int \frac{1}{(x^2+1)^2}dx$
122913
Evaluate $\int \frac{\sec^{2}{x}}{(\sec{x} + \tan{x})^{5/2}} \ \mathrm dx$
149341
Help me evaluate $\int_0^1 \frac{\log(x+1)}{1+x^2} dx$
120388
Evaluate $\int\frac{1}{1+x^6} \,dx$
129913
Evaluate: $I=\int\limits_{0}^{\frac{\pi}{2}}\ln\frac{(1+\sin x)^{1+\cos x}}{1+\cos x}dx$
38511
Evaluation of $\int\frac{1}{x^2.(x^4+1)^{\frac{3}{4}}}dx$
71988
Evaluate $\int_0^{2\pi} \frac{\sin^2\theta}{5+4\cos\theta}\,\mathrm d\theta$
119669
Evaluate $\int \frac{1}{\sin x\cos x} dx $
96414
Using residues to evaluate the integral $\int_{-\pi}^{\pi} \frac{\cos(n\theta)}{1-2a\cos(\theta)+a^2}d\theta$, $|a|<1$
98787
Calculation of $\int \sqrt{\tan x+2}dx$
98838
How to evaluate $\int_0^1 \frac{\ln(x+1)}{x^2+1} dx$