81.1 Problem number 19

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

Optimal antiderivative \[ -\frac {\cos \left (b x +a \right )}{4 d \left (d x +c \right )}+\frac {\cos \left (3 b x +3 a \right )}{4 d \left (d x +c \right )}-\frac {b \cos \left (a -\frac {b c}{d}\right ) \sinIntegral \left (\frac {b c}{d}+b x \right )}{4 d^{2}}+\frac {3 b \cos \left (3 a -\frac {3 b c}{d}\right ) \sinIntegral \left (\frac {3 b c}{d}+3 b x \right )}{4 d^{2}}+\frac {3 b \cosineIntegral \left (\frac {3 b c}{d}+3 b x \right ) \sin \left (3 a -\frac {3 b c}{d}\right )}{4 d^{2}}-\frac {b \cosineIntegral \left (\frac {b c}{d}+b x \right ) \sin \left (a -\frac {b c}{d}\right )}{4 d^{2}} \]

command

integrate(cos(b*x+a)*sin(b*x+a)^2/(d*x+c)^2,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 \[ \text {Timed out} \]_______________________________________________________