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April 18, 2014

April 18, 2014

Posted by **Kory** on Wednesday, November 16, 2011 at 5:33pm.

after a 180 degree rotation? after a 270 degree rotation?

- math -
**Henry**, Friday, November 18, 2011 at 4:11pmAssume a circle with a radius of i(r=1)

@ 0 Degrees: = 1, and Y = 0.

@ 90 Degrees: X = 0, and Y = 1.

@ 180 Degrees: X = -1, and Y = 0.

@ 270 Degrees: X = 0, and Y = -1.

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