40.54 Problem number 249

\[ \int \frac {1}{\sqrt {e \cos (c+d x)} (a+a \sin (c+d x))^2} \, dx \]

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

command

integrate(1/(a+a*sin(d*x+c))^2/(e*cos(d*x+c))^(1/2),x, algorithm="fricas")

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

\[ -\frac {{\left (i \, \sqrt {2} \cos \left (d x + c\right )^{2} - 2 i \, \sqrt {2} \sin \left (d x + c\right ) - 2 i \, \sqrt {2}\right )} {\rm weierstrassPInverse}\left (-4, 0, \cos \left (d x + c\right ) + i \, \sin \left (d x + c\right )\right ) + {\left (-i \, \sqrt {2} \cos \left (d x + c\right )^{2} + 2 i \, \sqrt {2} \sin \left (d x + c\right ) + 2 i \, \sqrt {2}\right )} {\rm weierstrassPInverse}\left (-4, 0, \cos \left (d x + c\right ) - i \, \sin \left (d x + c\right )\right ) - 2 \, {\left (\sin \left (d x + c\right ) + 2\right )} \sqrt {\cos \left (d x + c\right )}}{7 \, {\left (a^{2} d \cos \left (d x + c\right )^{2} e^{\frac {1}{2}} - 2 \, a^{2} d e^{\frac {1}{2}} \sin \left (d x + c\right ) - 2 \, a^{2} d e^{\frac {1}{2}}\right )}} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (-\frac {\sqrt {e \cos \left (d x + c\right )}}{a^{2} e \cos \left (d x + c\right )^{3} - 2 \, a^{2} e \cos \left (d x + c\right ) \sin \left (d x + c\right ) - 2 \, a^{2} e \cos \left (d x + c\right )}, x\right ) \]