What Is This? (read for explanation)
2.2 Limit of a Function and Limit Laws
2.6 Limits Involving Infinity + Asymptotes of Graphs
3.1 Tangents and the Derivative at a Point
3.2 The Derivative as a Function
3.5 Derivatives of Trigonometric Function
3.8 Derivative of Inverse Functions Logarithms
3.9 Inverse Trigonometric Functions