Can I do this in this math problem/substitution Calc 2

[Steebly]

Homework Statement

Find integral of 4*e^(4x)*sin(e^(4x))dx

Homework Equations

The Attempt at a Solution

Can I do this in this math problem
I took the integral of 4e^(4x)*sin(e^(4x)) dx using substitution method. in the end I got e^(4x)*-cos*[1/e^(4x)] do the ex^4x just cancel out?

 

[SteamKing]

Homework Statement

Find integral of 4*e^(4x)*sin(e^(4x))dx

Homework Equations

The Attempt at a Solution

Can I do this in this math problem
I took the integral of 4e^(4x)*sin(e^(4x)) dx using substitution method. in the end I got e^(4x)*-cos*[1/e^(4x)] do the ex^4x just cancel out?

Yes.