Khan Academy on a Stick
Quotient rule and common derivatives
Why the quotient rule is the same thing as the product rule. Introduction to the derivative of e^x, ln x, sin x, cos x, and tan x
If the above player doesn't work, try this direct link.
Why the quotient rule is the same thing as the product rule. Introduction to the derivative of e^x, ln x, sin x, cos x, and tan x
If the above player doesn't work, try this direct link.