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April 18, 2015

April 18, 2015

Posted by **joe** on Friday, May 20, 2011 at 4:10pm.

- pre cal -
**drwls**, Friday, May 20, 2011 at 11:31pmx = 12

y = -12

r = sqrt(x^2 + y^2)

theta = arctan y/x = arctan -1,

and is in the fourth quadrant. That would make it -45 degrees or, if you prefer, 315 degrees.

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