Instructional Video
Khan Academy

Khan Academy: Calculus: Functions for Parametrization With Two Parameters

9th - 10th Standards
Video continuing to show how to parameterize a torus using two parameters by writing the position vector valued functions. [16:32]
Instructional Video
Khan Academy

Khan Academy: Calculus: Parametrization of a Reverse Path

9th - 10th
Video lesson showing how to find the parameterization for a curve going in the opposite direction. Concept is being set up to use with line integrals in the next two videos. [7:26]
Instructional Video
Khan Academy

Khan Academy: Calculus: Intro to Parametrizing a Surface With Two Parameters

9th - 10th
Video showing how to paramatrize a torus using two parameters by first visually showing the parameters without using equations. [19:02]
Instructional Video
Khan Academy

Khan Academy: Function for a Parametrization of Two Parameters

9th - 10th Standards
This video shows how to determine a position vector-valued function for a parametrization of two parameters.
Instructional Video
Khan Academy

Khan Academy: Line Integrals in Vector Fields: Parametrization of a Reverse Path

9th - 10th
A video to show you understand how to parametrize a reverse path for the same curve.