\[ \int \frac {(a \sin (e+f x))^{5/2}}{\sqrt {b \tan (e+f x)}} \, dx \]
Optimal antiderivative \[ \frac {4 a^{2} \sqrt {\frac {\cos \left (f x +e \right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (\frac {f x}{2}+\frac {e}{2}\right ), \sqrt {2}\right ) \sqrt {a \sin \left (f x +e \right )}}{5 \cos \left (\frac {f x}{2}+\frac {e}{2}\right ) f \sqrt {\cos \left (f x +e \right )}\, \sqrt {b \tan \left (f x +e \right )}}-\frac {2 b \left (a \sin \left (f x +e \right )\right )^{\frac {5}{2}}}{5 f \left (b \tan \left (f x +e \right )\right )^{\frac {3}{2}}} \]
command
integrate((a*sin(f*x+e))^(5/2)/(b*tan(f*x+e))^(1/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ -\frac {2 \, {\left (\sqrt {a \sin \left (f x + e\right )} a^{2} \sqrt {\frac {b \sin \left (f x + e\right )}{\cos \left (f x + e\right )}} \cos \left (f x + e\right )^{2} + \sqrt {2} \sqrt {-a b} a^{2} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )\right ) + \sqrt {2} \sqrt {-a b} a^{2} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )\right )\right )}}{5 \, b f} \]
Fricas 1.3.7 via sagemath 9.3 output
\[ {\rm integral}\left (-\frac {{\left (a^{2} \cos \left (f x + e\right )^{2} - a^{2}\right )} \sqrt {a \sin \left (f x + e\right )} \sqrt {b \tan \left (f x + e\right )}}{b \tan \left (f x + e\right )}, x\right ) \]