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September 17, 2014

September 17, 2014

Posted by **Brianna** on Sunday, May 13, 2012 at 9:08pm.

can someone simplify this using trig identities?

- trig -
**bobpursley**, Sunday, May 13, 2012 at 9:12pmHere is the page of identities: http://www.trans4mind.com/personal_development/mathematics/trigonometry/sumProductCosSin.htm#Products

I can not possibly help you on here typing all this. Plan on getting a yellow legal pad and be careful.

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