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September 14, 2014

September 14, 2014

Posted by **-** on Sunday, November 8, 2009 at 11:33am.

- trigonometry -
**bobpursley**, Sunday, November 8, 2009 at 11:39am5PI/12(360deg/2PI)= 75 degrees.

What is 30+45?

Use the addition formula.

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