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January 31, 2015

January 31, 2015

Posted by **amira** on Saturday, April 10, 2010 at 2:01am.

- trig -
**Damon**, Saturday, April 10, 2010 at 7:02am60 degrees below x axis in quadrant 3

sin (-120) = -sqrt(3) /2

invert for csc -2/sqrt (3) = -2 sqrt (3)/3

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