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January 26, 2015

January 26, 2015

Posted by **Alex** on Saturday, May 7, 2011 at 4:26pm.

- Trigonometry -
**Damon**, Saturday, May 7, 2011 at 5:10pmcos 2x = .8333333333333333333...........

which is 5/6 by the way

or

2x = 33.55 deg

x = +/- 16.8 deg

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