what is the formula for the area of a regular polygon?
helping others helps your self estime, when a friend takes your advice in something means that they trust you an d it makes you more confident about yourself.
I'm desperate! Find the point where the curve r(t)=(12sint)i - 12(cost)j+ 5tk is at a distance 13pi units along the curve from the point (0,-12,0) in the direction opposite to the direction of increasing arc length. Thanks for any advice...