What is #f'(-pi/3)# when you are given #f(x)=sin^7(x)#?
It is very useful to re-write this as
In other notation
In either case, for your question
You could write
You Have The Honor To Simplify
wondering why im doing all this "let stuff" ?
the reason is there are more than one function in
** there's :
so to find the
that's why i need to let