This video explains how to find the equation of a tangent line and normal line to a cubic function at a given point.
This video explains how to apply the chain rule to solve an application problem involving an exponential function with base e.
This video gives an informal explanation as to why the derivative of the area of a circle is equal to the circumference.
This video gives an informal explanation as to why the derivative of the volume of a sphere is equal to the surface area.
This video using 3D Calc Plotter to illustrate the meaning of a directional derivative.
This video explains how to determine the sign of the components of the derivative of a vector function give the graph of a vector function.
This video explains how to determine the velocity, speed, direction, and acceleration give a position vector-valued function.