Sorry!!! Fool me!
Btw: two wonderful quotes.
This was found in a textbook on classical mechanics so I thought it best to post it here rather then in the calc forum.
, ,and are known. Express in their terms.
I can't think of which rules would give me an answer. Any help would be appreciated.
Thank you Thus Spake Zarathustra
And thank you Plato I was never aware of that formula. I'll be sure to prove it before I move on.
So the identity you've given when combined with the equations gives
which rearranged gives
Which matches the answer provided by the text.