37.13 Problem number 388

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

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

command

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

Giac 1.9.0-11 via sagemath 9.6 output

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

Giac 1.7.0 via sagemath 9.3 output

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