What is the derivative of # f(x)=x sin (x)#?
1 Answer
Aug 23, 2015
Explanation:
The product rule tells us that for
we get
For
Apply the product rule:
# = sinx+xcosx#
I did notice that this was asked under "Differentiationg sin(x) from First Principles". If you really want to see this done using the limit definition (First Principles), ask and I'll type it up".