A linear transformation T : 2 2 first reflects points
Chapter 1, Problem 11E(choose chapter or problem)
Problem 11E
A linear transformation T : ℝ2 → ℝ2 first reflects points through the x1-axis and then reflects points through the x2- axis. Show that T can also be described as a linear transformation that rotates points about the origin. What is the angle of that rotation?
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