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December 21, 2014

December 21, 2014

Posted by **Juilian** on Monday, March 9, 2009 at 5:36pm.

- Math -
**Damon**, Monday, March 9, 2009 at 5:38pmYou know about a 30, 60 90 triangle having legs of 1 and sqrt 3 and hypotenuse of 2

so

sin 30 = 1/2

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