\[ \int \frac {1}{\tan ^{\frac {3}{2}}(c+d x) (a+b \tan (c+d x))^2} \, dx \]
Optimal antiderivative \[ -\frac {b^{\frac {5}{2}} \left (7 a^{2}+3 b^{2}\right ) \arctan \left (\frac {\sqrt {b}\, \left (\sqrt {\tan }\left (d x +c \right )\right )}{\sqrt {a}}\right )}{a^{\frac {5}{2}} \left (a^{2}+b^{2}\right )^{2} d}-\frac {\left (a^{2}+2 a b -b^{2}\right ) \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right ) \sqrt {2}}{2 \left (a^{2}+b^{2}\right )^{2} d}-\frac {\left (a^{2}+2 a b -b^{2}\right ) \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right ) \sqrt {2}}{2 \left (a^{2}+b^{2}\right )^{2} d}-\frac {\left (a^{2}-2 a b -b^{2}\right ) \ln \left (1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )\right ) \sqrt {2}}{4 \left (a^{2}+b^{2}\right )^{2} d}+\frac {\left (a^{2}-2 a b -b^{2}\right ) \ln \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )\right ) \sqrt {2}}{4 \left (a^{2}+b^{2}\right )^{2} d}+\frac {-2 a^{2}-3 b^{2}}{a^{2} \left (a^{2}+b^{2}\right ) d \sqrt {\tan \left (d x +c \right )}}+\frac {b^{2}}{a \left (a^{2}+b^{2}\right ) d \sqrt {\tan \left (d x +c \right )}\, \left (a +b \tan \left (d x +c \right )\right )} \]
command
integrate(1/tan(d*x+c)^(3/2)/(a+b*tan(d*x+c))^2,x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \text {output too large to display} \]
Fricas 1.3.7 via sagemath 9.3 output \[ \text {Timed out} \]