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QUESTION
Questions about Orthogonal Transformations 1 how to prove a 2x2 matrix is a rotation matrix and find the angle of rotation.
Questions about Orthogonal Transformations
1
how to prove a 2x2 matrix is a rotation matrix and find the angle of rotation.
just show me an example
2
Q=1/9 * 4 -7 -4
1 -4 -8
8 4 1
how to find the axis of rotation, the plane of reflection and the cosine of the angle of rotation?
