This video verifies formula for the dot product of 2D vectors expressed in terms of i and j and shows a simple example.

This video shows a worked example of finding the angle between two 3D vectors.

This short video defines the perpendicular unit vectors i and j

This video explains how to use the triangle law and the parallelogram law to add vectors geometrically, and shows how to subtract vectors geometrically by using the triangle law.

This video shows a simple example showing how to add one dimensional vectors.

This video demonstrates geometric proof of the dot product using the Cosine rule.

This video demonstrates using the definition of the dot product to find formula for finding the angle between two vectors, and also demonstrates working through an example to find the angle between two vectors which are ...

This video defines cross product of vectors and illustrates the geometrical representation of the cross product and use of the right hand rule. It also outlines differences in results between dot product and cross product.

This video outlines the definition of the modulus of a 2D vector showing a simple example, and outlines the definition of the dot product (geometrical) of 2D vectors followed by a simple example.

Introduces definition of a vector and states some simple examples of vectors. Explains difference between vector and scalar quantity, ie. distance and displacement.