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September 19, 2014

September 19, 2014

Posted by **raphael** on Wednesday, February 29, 2012 at 3:12am.

- trig -
**drwls**, Wednesday, February 29, 2012 at 5:13am8cos(6x)*sin(6x) = 4sin(12x) is a trigonometric identity.

Since you have not asked a question nor written an equation, that is as far as I can go with this one.

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