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January 25, 2015

January 25, 2015

Posted by **David M.** on Wednesday, April 28, 2010 at 7:36pm.

- Math -
**Damon**, Wednesday, April 28, 2010 at 8:01pmwell, 7 pi/6 is 180 + 30 degrees

and 7 pi/6 = twice 7 pi/12

we know sin and cos of 7 pi/6

sin 7 pi/6 = -1/2

cos 7 pi/6 = -(1/2)sqrt3

so now you should be able to find the sin of 7 pi/12

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