Calculus 3 Lecture 13.3: Mastering Partial Derivatives & Tangent Lines on Multivariable Surfaces 📐

Calculus 3 Lecture 13.3: Partial Derivatives (Derivatives of Multivariable Functions): How to find the slope of a tangent line to a surface in the X-Direction and Y-Direction. Focus is on the concept of a partial derivative and several examples. Also included is implicit differentiation and higher order partial derivatives.