\[ \int \frac {(e \sec (c+d x))^{11/2}}{(a+i a \tan (c+d x))^3} \, dx \]
Optimal antiderivative \[ \frac {14 i e^{4} \left (e \sec \left (d x +c \right )\right )^{\frac {3}{2}}}{3 a^{3} d}+\frac {14 e^{6} \sqrt {\frac {\cos \left (d x +c \right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (\frac {d x}{2}+\frac {c}{2}\right ), \sqrt {2}\right )}{\cos \left (\frac {d x}{2}+\frac {c}{2}\right ) a^{3} d \sqrt {\cos \left (d x +c \right )}\, \sqrt {e \sec \left (d x +c \right )}}-\frac {14 e^{5} \sin \left (d x +c \right ) \sqrt {e \sec \left (d x +c \right )}}{a^{3} d}+\frac {4 i e^{2} \left (e \sec \left (d x +c \right )\right )^{\frac {7}{2}}}{a d \left (a +i a \tan \left (d x +c \right )\right )^{2}} \]
command
integrate((e*sec(d*x+c))^(11/2)/(a+I*a*tan(d*x+c))^3,x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ -\frac {2 \, {\left (\frac {\sqrt {2} {\left (-12 i \, e^{\frac {11}{2}} - 21 i \, e^{\left (4 i \, d x + 4 i \, c + \frac {11}{2}\right )} - 35 i \, e^{\left (2 i \, d x + 2 i \, c + \frac {11}{2}\right )}\right )} e^{\left (\frac {1}{2} i \, d x + \frac {1}{2} i \, c\right )}}{\sqrt {e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} + 21 \, {\left (-i \, \sqrt {2} e^{\left (3 i \, d x + 3 i \, c + \frac {11}{2}\right )} - i \, \sqrt {2} e^{\left (i \, d x + i \, c + \frac {11}{2}\right )}\right )} {\rm weierstrassZeta}\left (-4, 0, {\rm weierstrassPInverse}\left (-4, 0, e^{\left (i \, d x + i \, c\right )}\right )\right )\right )}}{3 \, {\left (a^{3} d e^{\left (3 i \, d x + 3 i \, c\right )} + a^{3} d e^{\left (i \, d x + i \, c\right )}\right )}} \]
Fricas 1.3.7 via sagemath 9.3 output
\[ \frac {\sqrt {2} {\left (42 i \, e^{5} e^{\left (4 i \, d x + 4 i \, c\right )} + 70 i \, e^{5} e^{\left (2 i \, d x + 2 i \, c\right )} + 24 i \, e^{5}\right )} \sqrt {\frac {e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} e^{\left (\frac {1}{2} i \, d x + \frac {1}{2} i \, c\right )} + 3 \, {\left (a^{3} d e^{\left (3 i \, d x + 3 i \, c\right )} + a^{3} d e^{\left (i \, d x + i \, c\right )}\right )} {\rm integral}\left (-\frac {7 i \, \sqrt {2} e^{5} \sqrt {\frac {e}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} e^{\left (\frac {1}{2} i \, d x + \frac {1}{2} i \, c\right )}}{a^{3} d}, x\right )}{3 \, {\left (a^{3} d e^{\left (3 i \, d x + 3 i \, c\right )} + a^{3} d e^{\left (i \, d x + i \, c\right )}\right )}} \]