Transformationshard
0:00.0

A transformation is defined by the matrix M=(cosθsinθsinθcosθ)(k00k)M = \begin{pmatrix} \cos \theta & -\sin \theta \\ \sin \theta & \cos \theta \end{pmatrix} \begin{pmatrix} k & 0 \\ 0 & k \end{pmatrix}. What is the geometric interpretation?