Evaluate $ \int \cfrac { \sec^2x}{ ( \sec x + \tan x)^{9/2}}dx $
122913
Evaluate $\int \frac{\sec^{2}{x}}{(\sec{x} + \tan{x})^{5/2}} \ \mathrm dx$
115759
Evaluating this integral : $ \int \frac {1-7\cos^2x} {\sin^7x \cos^2x} dx $
144811
Calculate $\int_0^{2\pi} \frac{1}{2+\sin(x)} \ dx$
145907
How do you evaluate this integral $\int \frac{6x^{3}+7x^2-12x+1}{\sqrt{x^2+4x+6}}dx$
51488
Evaluating $\int^\pi_{-\pi} \cos^3(x) \cos(ax)~dx$
81337
How to solve $(1-\tan^2x)\sec^2x+2^{\tan^2x}=0$
31063
Evaluating $\int_0^2(\tan^{-1}(\pi x)-\tan^{-1} x)\,\mathrm{d}x$
154185
Evaluate $\iiint_{[0,1]^3}\frac{dx\,dy\,dz}{(1+x^2+y^2+z^2)^2}$
153867
Evaluate $ \int_{0}^{\frac{\pi}2}\frac1{(1+x^2)(1+\tan x)}\:\mathrm dx$
48956
Simplify $\arctan (\frac{1}{2}\tan (2A)) + \arctan (\cot (A)) + \arctan (\cot ^{3}(A)) $
26096
Evaluating $\int \frac{\sin{x}+\cos{x}}{\sin^4{x}+\cos^4{x}} \mathrm dx$
83840
Evaluate $\int\sec^4(u) \operatorname d \!u$
32312
Evaluating the integral $\int \frac{x^2+x}{(e^x+x+1)^2}dx$
91212
Evaluate $\int \cos^3 x\;\sin^2 xdx$
65028
Evaluate $\int\frac {\csc^2{x}-2005}{\cos^{2005}{x}} dx $
6573
Compute $\int \frac{\sin(x)}{\sin(x)+\cos(x)}\mathrm dx$
140386
Integrate $\int {\dfrac{x^2+\left(n-1\right)n}{\left(x\sin x+n\cos x\right)^2}}dx $