Homework Statement
If you have two functions dependent on t, A(t) and B(t). Prove their derivatives are as follows:
d(A (dot) B) / dt = [A (dot) (dB)/(d(t)] + [d(A)/d(t) (dot) B]
{Where "(dot)" acts as the dot product}
d(A x B) / dt = [A x (dB)/(d(t)] + [d(A)/d(t) x B]...