Integral of $\sqrt{4 - x^2}$?
54831
Integral of $\sqrt{1-x^2}$ using integration by parts
41447
tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$
53519
Finding $\int_0^1{\frac{x^4(1-x)^4}{1+x^2}}dx$
143878
Solve: $\int x^3\sqrt{4-x^2}dx$
145590
Compute the integral $\int\frac{dx}{(x^2-x+1)\sqrt{x^2+x+1}}$
41416
Integrating $ \int_2^4 \frac{ \sqrt{\ln(9-x)} }{ \sqrt{\ln(9-x)}+\sqrt{\ln(x+3)} } dx. $
114956
Integrate $\int \cos^4 x\,\mathrm dx.$
49203
Evaluating $\int \sqrt{1 + t^2} dt$?
45212
Integrals involving reciprocal square root of a quartic
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
150843
Evaluation of $\int_0^{\pi/4} \sqrt{\tan x} \sqrt{1-\tan x}\,\,dx$
24589
Integral of $1/(x^2-1)^2$
102156
Integral of $\int_0^{\pi/2} \frac {\sqrt{\sin x}}{\sqrt {\sin x} + \sqrt {\cos x}}$dx
51216
Different ways to tackle the integral $\int_0^1\sqrt\frac x{1-x}\,dx$
136981
How can I solve this integral using the Residue theorem?
99457
How to integrate $\int x\sin {(\sqrt{x})}\, dx$
86794
Integrate $\int \frac{25 - x^2}{x^4} \operatorname d\!x$