38.28 Problem number 197

\[ \int (d \cos (a+b x))^{3/2} \sin ^2(a+b x) \, dx \]

Optimal antiderivative \[ -\frac {2 \left (d \cos \left (b x +a \right )\right )^{\frac {5}{2}} \sin \left (b x +a \right )}{7 b d}+\frac {4 d^{2} \sqrt {\frac {\cos \left (b x +a \right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (\frac {a}{2}+\frac {b x}{2}\right ), \sqrt {2}\right ) \left (\sqrt {\cos }\left (b x +a \right )\right )}{21 \cos \left (\frac {a}{2}+\frac {b x}{2}\right ) b \sqrt {d \cos \left (b x +a \right )}}+\frac {4 d \sin \left (b x +a \right ) \sqrt {d \cos \left (b x +a \right )}}{21 b} \]

command

integrate((d*cos(b*x+a))^(3/2)*sin(b*x+a)^2,x, algorithm="fricas")

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

\[ -\frac {2 \, {\left (i \, \sqrt {2} d^{\frac {3}{2}} {\rm weierstrassPInverse}\left (-4, 0, \cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right ) - i \, \sqrt {2} d^{\frac {3}{2}} {\rm weierstrassPInverse}\left (-4, 0, \cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right ) + {\left (3 \, d \cos \left (b x + a\right )^{2} - 2 \, d\right )} \sqrt {d \cos \left (b x + a\right )} \sin \left (b x + a\right )\right )}}{21 \, b} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (-{\left (d \cos \left (b x + a\right )^{3} - d \cos \left (b x + a\right )\right )} \sqrt {d \cos \left (b x + a\right )}, x\right ) \]