HOw to solve this?

1. Sep 10, 2006

aztect

Can anyone help me with this?
$$Ri(t) + L\frac{di(t)} {dt}=V_{m}sin(wt+\theta)$$

2. Sep 10, 2006

arildno

Hint:
What is the integrating factor here?

3. Sep 10, 2006

aztect

$$\exp\int\frac{R}{L}dt$$?

4. Sep 10, 2006

arildno

Which can be written more simply as..:?(assuming R, L constants, that is)

5. Sep 11, 2006

aztect

$$\exp\int{x}dt$$