Evaluating $\int_{0}^{\pi/4}\ln(1+\tan x)\,dx $
115992
Integrating $\frac{\log(1+x)}{1+x^2}$
119815
Why is $\tan((1/2)\pi)$ undefined?
60491
Evaluate $ \int_{25\pi/4}^{53\pi/4}\frac{1}{(1+2^{\sin x})(1+2^{\cos x})}dx $
63956
Evaluate $\int_0^{\infty}\frac{\ln x}{x^a(x+1)}dx$ where $0<a<1$
88670
Evaluating $\int \frac{1}{{x^4+1}} dx$
45622
Value of this definite integral $\int_{0}^{\infty} \frac{ \ln(x)}{x^2+2x+4} dx $
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
158279
$\int_0^{\pi/2}\ln(\sin(x))$?
11499
How to show the inequality for $\int_{0}^{\pi/4}\tan^n(x) dx$
41416
Integrating $ \int_2^4 \frac{ \sqrt{\ln(9-x)} }{ \sqrt{\ln(9-x)}+\sqrt{\ln(x+3)} } dx. $
95403
Evaluating $\int \frac{\sec^2 x}{(\sec x + \tan x )^{{9}/{2}}}\,\mathrm dx$
49489
Compute $\lim_{n\to\infty} \int_{0}^{\pi/4}\tan^n x \ dx$
146338
How to evaluate $\int\frac{1+x^4}{(1-x^4)^{3/2}}dx$?
109887
How to evaluate $\int_0^1 (\arctan x)^2 \ln(\frac{1+x^2}{2x^2}) dx$
98838
How to evaluate $\int_0^1 \frac{\ln(x+1)}{x^2+1} dx$
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
53830
Evaluate $ \int_{0}^{1} \ln(x)\ln(1-x)\,dx $