Integrate $\int \frac{dx}{\sqrt{x^2-9}}$ by trig substitution
88815
Integral of $\int \frac{dx}{\sqrt{x^2 -9}}$
18672
Integrate $\int_{0}^{\pi}{\frac{x\cos{x}}{1+\sin^{2}{x}}dx}$
136385
Integrate $ \int_{0}^{\frac{\pi}{4}}\tan^{-1}\left(\frac{\sqrt{2}\cos3 \phi}{\left(2\cos 2 \phi+ 3\right)\sqrt{\cos 2 \phi}}\right)d\phi$
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
65093
Integrate $\int \sin^4x \cos^2x dx$
45872
Integration: $\int\frac{1}{(x^2+x+1)^{1/2}} dx$
80736
How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$
1150
Indefinite Integral of $\sqrt{\sin x}$
31529
Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$
126576
Most efficient way to integrate $\int_0^\pi \sqrt{4\sin^2 x - 4\sin x + 1}\,dx$?
61740
Evaluate the integration : $\int\sqrt{\frac{(1-\sin x)(2-\sin x)}{(1+\sin x)(2+\sin x)}}dx$
95934
How to integrate $\int\frac{1}{\sqrt{1+x^3}}\mathrm dx$?
148743
$\int_0^\infty \frac{1}{1+x^ 9} \, dx$
123767
How to integrate $\int \frac{1}{\cos(x)}\,\mathrm dx$
104583
Simplify $\int \frac{1}{\sqrt{2-x^2}}\, dx$
37097
Integral $\int \frac{\sqrt{\sin x}}{\sqrt{\sin x} + \sqrt{\cos x}} dx$
84683
integrate $dx/(a^2 \cos^2x+b^2 \sin^2x)^2$