1. The problem statement, all variables and given/known data (integrate)5e^(5x)*sin(e^(5x))dx 2. Relevant equations 3. The attempt at a solution I factored 5 out of the integration and made u to be e^5x, and du to be 5e^5x, or (1/5)du=e^(5x)dx. Because of this, the 5 factored out of the equation canceled out with the (1/5), leaving (integrate)u*sin(u). I integrated that, making sin(u)-u*cos(u) (I think) and pu the e^(5x)s back where the u's were. Am I right in doing this?