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