In Exercises 2728, find the standard matrix for the reflection of R2 about the stated
Chapter 4, Problem 28(choose chapter or problem)
In Exercises 2728, find the standard matrix for the reflection of R2 about the stated line, and then use that matrix to find the reflection of the given point about that line.The reflection of (1, 2) about the line that makes an angle of /4 (= 45) with the positive x-axis.
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