38.96 Problem number 448

\[ \int \frac {\csc ^4(e+f x)}{(b \sec (e+f x))^{5/2}} \, dx \]

Optimal antiderivative \[ \frac {\csc \left (f x +e \right )}{2 b f \left (b \sec \left (f x +e \right )\right )^{\frac {3}{2}}}-\frac {\csc ^{3}\left (f x +e \right )}{3 b f \left (b \sec \left (f x +e \right )\right )^{\frac {3}{2}}}+\frac {\sqrt {\frac {\cos \left (f x +e \right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (\frac {f x}{2}+\frac {e}{2}\right ), \sqrt {2}\right )}{2 \cos \left (\frac {f x}{2}+\frac {e}{2}\right ) b^{2} f \sqrt {\cos \left (f x +e \right )}\, \sqrt {b \sec \left (f x +e \right )}} \]

command

integrate(csc(f*x+e)^4/(b*sec(f*x+e))^(5/2),x, algorithm="fricas")

Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output

\[ -\frac {3 \, \sqrt {2} {\left (-i \, \cos \left (f x + e\right )^{2} + i\right )} \sqrt {b} \sin \left (f x + e\right ) {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )\right ) + 3 \, \sqrt {2} {\left (i \, \cos \left (f x + e\right )^{2} - i\right )} \sqrt {b} \sin \left (f x + e\right ) {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )\right ) - 2 \, {\left (3 \, \cos \left (f x + e\right )^{4} - \cos \left (f x + e\right )^{2}\right )} \sqrt {\frac {b}{\cos \left (f x + e\right )}}}{12 \, {\left (b^{3} f \cos \left (f x + e\right )^{2} - b^{3} f\right )} \sin \left (f x + e\right )} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {\sqrt {b \sec \left (f x + e\right )} \csc \left (f x + e\right )^{4}}{b^{3} \sec \left (f x + e\right )^{3}}, x\right ) \]