- #1
Ultimâ
- 35
- 0
This is a bit weird, both are functions of theta (and time) ... so I assume the operator is on both ... is it a case of applying the product rule?
[tex]
\frac{\delta}{\delta \theta}(\dot{\theta} cos\theta)
[/tex]
[tex]
\frac{\delta}{\delta \theta}(\dot{\theta} cos\theta)
[/tex]