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April 2, 2015

April 2, 2015

Posted by **Anonymous** on Thursday, April 8, 2010 at 9:27pm.

- math -
**Reiny**, Thursday, April 8, 2010 at 9:49pmWow, after 45 years of teaching math I just learned something new.

I had never heard of a quadrantal angle, had to look it up

http://www.mathwords.com/q/quadrantal_angle.htm

take the sign of each of those angles and see what you get.

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