63.1 Problem number 227

\[ \int \frac {\cot (e+f x)}{\left (a+b \tan ^2(e+f x)\right )^2} \, dx \]

Optimal antiderivative \[ \frac {\ln \left (\cos \left (f x +e \right )\right )}{\left (a -b \right )^{2} f}+\frac {\ln \left (\tan \left (f x +e \right )\right )}{a^{2} f}+\frac {\left (2 a -b \right ) b \ln \left (a +b \left (\tan ^{2}\left (f x +e \right )\right )\right )}{2 a^{2} \left (a -b \right )^{2} f}-\frac {b}{2 a \left (a -b \right ) f \left (a +b \left (\tan ^{2}\left (f x +e \right )\right )\right )} \]

command

integrate(cot(f*x+e)/(a+b*tan(f*x+e)**2)**2,x)

Sympy 1.10.1 under Python 3.10.4 output

\[ \text {output too large to display} \]

Sympy 1.8 under Python 3.8.8 output \[ \text {Timed out} \]_____________________________________________________