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Cosines and correlation (2010)
http://www.johndcook.com/blog/2010/06/17/covariance-and-law-of-cosines/
17 comments
3/11/2015
Reddit
Cosines and correlation
http://www.johndcook.com/blog/2010/06/17/covariance-and-law-of-cosines/
6 comments
17/6/2010
math