# I Applying Chain Rule to a function of two variables

1. Dec 9, 2016

### Dilemma

Hello,

Here is the question:

I can not figure out how we are to apply chain rule to the second order derivative. May somebody clarify that?

2. Dec 9, 2016

### TJGilb

Do you know how to solve this if it were only asking you to find $\frac {d\omega} {dt}$?

3. Dec 10, 2016

### Dilemma

Yes, I do know that.

4. Dec 10, 2016