Rotating a Vector with the Rotation Matrix

In this video I rewrite my earlier formula on rotating a vector and this time rewrite it in matrix form. This results in deriving the Rotation Matrix, which is a very important concept in all of mathematics and physics.

This video was taken from my earlier video listed below:

- Complex Numbers as Rotation Matrices: https://youtu.be/Mgp2vrQeLEw
- Video notes: https://peakd.com/hive-128780/@mes/complex-numbers-as-rotation-matrices
- Playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0E6x0dZEAx77Kqv7LLxYdbx

Related Videos:

Vectors and the Geometry of Space Playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FjJpwnxwdrOR7L8Ul8VZoZ .

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