- #1
ensten
- 5
- 0
Homework Statement
Find f(t) for:
[itex]2\int_{0}^{t}f'(u)sin(9(t-u)du +5cos(9t), t\geq0[/itex]
The Attempt at a Solution
[itex]F(s)=2\frac{9(sF(s)-f(0))}{s^2+81}+\frac{5s}{s^2+81}[/itex]
At this point i don't know what to do with f(0) since there are no initial conditions.
What do I do with it?