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January 30, 2015

January 30, 2015

Posted by **brittany** on Thursday, May 24, 2012 at 2:57pm.

- algebra 2 -
**Steve**, Thursday, May 24, 2012 at 4:10pmIf you want exact values, you should say cos pi/6 = √3/2

Can't give the exact value of cos 3.14/6

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