What must be the equations of the rotation about the point (1, -1) at an angle e=90°? O x' = y , y' = x - 2 O x' = -y , y' = x - 2 O x' = -y, y' = x O x' = -y - 2, y' = x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.5: Polar Coordinates
Problem 90E
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What must be the equations of the rotation about the point (1, -1) at an
angle e=90°?
O x' = y , y' = x - 2
O x' = -y , y' = x - 2
O x' = -y, y' = x
O x' = -y - 2, y' = x
Transcribed Image Text:What must be the equations of the rotation about the point (1, -1) at an angle e=90°? O x' = y , y' = x - 2 O x' = -y , y' = x - 2 O x' = -y, y' = x O x' = -y - 2, y' = x
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