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October 1, 2014

October 1, 2014

Posted by **sonia** on Tuesday, April 19, 2011 at 6:13pm.

sin pi=cos(pi + 40)

sin(80 - pi)=cos pi

- math -
**PsyDAG**, Wednesday, April 20, 2011 at 12:15pmπ (pi) by definition = 3.1416....

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