81.2 Problem number 20

\[ \int \frac {\cos (a+b x) \sin ^2(a+b x)}{(c+d x)^3} \, dx \]

Optimal antiderivative \[ \frac {9 b^{2} \cosineIntegral \left (\frac {3 b c}{d}+3 b x \right ) \cos \left (3 a -\frac {3 b c}{d}\right )}{8 d^{3}}-\frac {b^{2} \cosineIntegral \left (\frac {b c}{d}+b x \right ) \cos \left (a -\frac {b c}{d}\right )}{8 d^{3}}-\frac {\cos \left (b x +a \right )}{8 d \left (d x +c \right )^{2}}+\frac {\cos \left (3 b x +3 a \right )}{8 d \left (d x +c \right )^{2}}-\frac {9 b^{2} \sinIntegral \left (\frac {3 b c}{d}+3 b x \right ) \sin \left (3 a -\frac {3 b c}{d}\right )}{8 d^{3}}+\frac {b^{2} \sinIntegral \left (\frac {b c}{d}+b x \right ) \sin \left (a -\frac {b c}{d}\right )}{8 d^{3}}+\frac {b \sin \left (b x +a \right )}{8 d^{2} \left (d x +c \right )}-\frac {3 b \sin \left (3 b x +3 a \right )}{8 d^{2} \left (d x +c \right )} \]

command

integrate(cos(b*x+a)*sin(b*x+a)^2/(d*x+c)^3,x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

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

Giac 1.7.0 via sagemath 9.3 output \[ \text {Timed out} \]_______________________________________________________