Calculus 1 - Derivatives

Derivatives for Beginners - Basic Introduction

108/1000, the easiest way of sketching the derivative graph

Calculus Basics: Key Concepts Every Student Should Know

101/1000, how to convert a limit of a Riemann sum to an integral

104/1000, integral of 1/(1+x^2), trig substitution

105/1000, how to find the critical numbers of a cubic function (ft tic-tac-toe trinomial factoring)