Try another version of this question
Use integration by parts to evaluate the integral:
`\int sin(ln(9 x)) dx`
`\int sin(ln(9 x)) dx`
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
`x/2(sin(ln(9x))-cos(ln(9x)))+C`