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December 19, 2014

December 19, 2014

Posted by **Anonymous** on Sunday, April 7, 2013 at 10:33pm.

- trig -
**Reiny**, Sunday, April 7, 2013 at 11:17pmPlease clarify before I attempt this:

is it 3cos (2Ø) ... or is it 3cos^2 Ø .... ?

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