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March 10, 2014

Homework Help: trig

Posted by Zama on Wednesday, February 29, 2012 at 1:33am.

Expan each of the following using the compound-angle formulae:sin(x + 20degree)

• trig - Steve, Wednesday, February 29, 2012 at 12:20pm

sin(x+20) = sinx cos20 + cosx sin20

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