Question

principle rule derivative of e^tanx

Answer 1

i dont think anyone wants to do a first principles of that ....

Answer 2

your best bet is to write it out so that we can follow your progress and see where you need help at.

Answer 3

and of course I could be misinterping "principle rule"

Answer 4

if you have questions, respond to the posting; dont create a new one to avoid studying out the results.

If you need it at the top of the list for others to see; use the "bump" option.

thanx