Consider the transformation of R2 corresponding to a counterclockwise rotation through
Chapter 6, Problem 14(choose chapter or problem)
Consider the transformation of R2 corresponding to a counterclockwise rotation through angle (0 < 2). For = /2, 3/2, verify that the matrix of the transformation is given by (6.2.5), and describe it in terms of reflections, stretches, and shears.
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