Law of Cosines 
Law of Cosines
by University Physics Tutorials
Video Lecture 5 of 46
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Views: 860
Date Added: April 13, 2016

Lecture Description

In this video I continue with my tutorials which cover the necessary vector calculus for classical electromagnetism which is pitched at university undergraduate level. Specifically I derive the Law of Cosines. This is a very useful quantity when analysing vector function using two separate vectors. In the study of electrodynamics, many vector functions involve two separate vectors (usually the separation vector) and thus this expression greatly simplifies the analysis!

Course Index

Course Description

This video tutorial series covers a range of vector calculus topics such as grad, div, curl, the fundamental theorems, integration by parts, the Dirac Delta Function, the Helmholtz Theorem, spherical polar co-ordinates etc.

Thank you for watching and I hope that this matches your requirements. Please feel free to provide feedback via comments and share with your friends.

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