x3
sin (9*x)*log(sin(9*x))
$$\log{\left(\sin{\left(9 x \right)} \right)} \sin^{x_{3}}{\left(9 x \right)}$$
2 x3
log (sin(9*x))*sin (9*x)
$$\log{\left(\sin{\left(9 x \right)} \right)}^{2} \sin^{x_{3}}{\left(9 x \right)}$$
3 x3
log (sin(9*x))*sin (9*x)
$$\log{\left(\sin{\left(9 x \right)} \right)}^{3} \sin^{x_{3}}{\left(9 x \right)}$$