38.105 Problem number 508

\[ \int \sqrt {d \csc (e+f x)} \sin ^3(e+f x) \, dx \]

Optimal antiderivative \[ -\frac {2 d^{2} \cos \left (f x +e \right )}{5 f \left (d \csc \left (f x +e \right )\right )^{\frac {3}{2}}}-\frac {6 d \sqrt {\frac {1}{2}+\frac {\sin \left (f x +e \right )}{2}}\, \EllipticE \left (\cos \left (\frac {e}{2}+\frac {\pi }{4}+\frac {f x}{2}\right ), \sqrt {2}\right )}{5 \sin \left (\frac {e}{2}+\frac {\pi }{4}+\frac {f x}{2}\right ) f \sqrt {d \csc \left (f x +e \right )}\, \sqrt {\sin \left (f x +e \right )}} \]

command

integrate(sin(f*x+e)^3*(d*csc(f*x+e))^(1/2),x, algorithm="fricas")

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

\[ \frac {2 \, {\left (\cos \left (f x + e\right )^{3} - \cos \left (f x + e\right )\right )} \sqrt {\frac {d}{\sin \left (f x + e\right )}} + 3 \, \sqrt {2 i \, d} {\rm weierstrassZeta}\left (4, 0, {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) + i \, \sin \left (f x + e\right )\right )\right ) + 3 \, \sqrt {-2 i \, d} {\rm weierstrassZeta}\left (4, 0, {\rm weierstrassPInverse}\left (4, 0, \cos \left (f x + e\right ) - i \, \sin \left (f x + e\right )\right )\right )}{5 \, f} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (-{\left (\cos \left (f x + e\right )^{2} - 1\right )} \sqrt {d \csc \left (f x + e\right )} \sin \left (f x + e\right ), x\right ) \]