Special Rotations Flashcards

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4 Terms

1
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Rotation 90 degrees counterclockwise

(x,y) → (-y,x)

2
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Rotation 180 degrees

(x,y) → (-x,-y)

3
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Rotation 270 degrees counterclockwise (and Rotation 90 degrees clockwise)

(x,y) → (y,-x)

4
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Rotation 360 degrees

(x,y) → (x,y)