Evaluating $\int \frac{2\ dx}{\sin x \cos x}.$
119669
Evaluate $\int \frac{1}{\sin x\cos x} dx $
89387
Integrate : $\int \frac{x^2}{(x\cos x -\sin x)(x\sin x +\cos x)}dx$
129913
Evaluate: $I=\int\limits_{0}^{\frac{\pi}{2}}\ln\frac{(1+\sin x)^{1+\cos x}}{1+\cos x}dx$
9653
Evaluate the integral $\int^{\frac{\pi}{2}}_0 \frac{\sin^3x}{\sin^3x+\cos^3x}\,\mathrm dx$.
63576
Evaluate the integral $\int \frac{\sec x}{\sqrt{3+\tan x}}dx$
60491
Evaluate $ \int_{25\pi/4}^{53\pi/4}\frac{1}{(1+2^{\sin x})(1+2^{\cos x})}dx $
55738
Evaluating $\int _0^{\frac{\pi }{2}}\:\frac{\sqrt[3]{\sin^2\left(x\right)}}{\sqrt[3]{\sin^2\left(x\right)}+\sqrt[3]{\cos^2\left(x\right)}}dx$
137060
Evaluating $\int_0^{\tfrac{\pi}{4}}\ln(\cos x-\sin x)\ln(\cos x) dx - \int_0^{\tfrac{\pi}{4}}\ln(\cos x+\sin x)\ln(\sin x)dx=\frac{G\ln 2}{2}$
69978
Evaluating $\int_1^\infty \frac{1}{x(x^2+1)}\ dx$
32312
Evaluating the integral $\int \frac{x^2+x}{(e^x+x+1)^2}dx$
64417
Integration of $\int \frac{x^2+20}{(x \sin x+5 \cos x)^2}dx$
6852
Integral of $\int \frac{x \sin{x} \cos{x}}{(a^2 \sin^2 x + b^2 \cos^2 x)^2} dx $
4693
what is the$ \int \sin (x^2) \, dx$?
95068
Integral of $\frac{1}{2x}$
95403
Evaluating $\int \frac{\sec^2 x}{(\sec x + \tan x )^{{9}/{2}}}\,\mathrm dx$
143734
Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$
60944
Evaluating an integral with ${\mathrm{d}t}$ in the numerator, $\int \frac{\mathrm{d}t}{\cos(t)^2}$.