https://www.youtube.com/playlist?list=PL_h1k2DY0Uk-T_tA0CNgDK3SrnE-PKf2T
Example of the rotation matrix as an orthogonal matrix.
Lecture Notes Are Available Here:
Part 1
https://github.com/mukherjeekoushiklearning/Matrix-Algebra-for-Beginners-/blob/main/Tutorial%208%20Part%201.pdf
Part 2
https://github.com/mukherjeekoushiklearning/Matrix-Algebra-for-Beginners-/blob/main/Tutorial%208%20Part%202.pdf
