37.14 Problem number 389

\[ \int \csc (e+f x) (b \sec (e+f x))^{3/2} \, dx \]

Optimal antiderivative \[ -\frac {b^{\frac {3}{2}} \arctan \left (\frac {\sqrt {b \sec \left (f x +e \right )}}{\sqrt {b}}\right )}{f}-\frac {b^{\frac {3}{2}} \arctanh \left (\frac {\sqrt {b \sec \left (f x +e \right )}}{\sqrt {b}}\right )}{f}+\frac {2 b \sqrt {b \sec \left (f x +e \right )}}{f} \]

command

integrate(csc(f*x+e)*(b*sec(f*x+e))^(3/2),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

\[ \frac {b^{4} {\left (\frac {\arctan \left (\frac {\sqrt {b \cos \left (f x + e\right )}}{\sqrt {-b}}\right )}{\sqrt {-b} b^{2}} + \frac {\arctan \left (\frac {\sqrt {b \cos \left (f x + e\right )}}{\sqrt {b}}\right )}{b^{\frac {5}{2}}} + \frac {2}{\sqrt {b \cos \left (f x + e\right )} b^{2}}\right )} \mathrm {sgn}\left (\cos \left (f x + e\right )\right )}{f} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \text {Exception raised: NotImplementedError} \]________________________________________________________________________________________