Posted by Jay on Tuesday, November 20, 2007 at 12:01pm.
Can someone tell show me how to do this.
Show the product as a sum or difference
sin 6x cos 2x

PreCal  Michael, Tuesday, November 20, 2007 at 3:38pm
(sin6x)(cos2x)
You will need to use the doubleangle identities to expand both sin6x and cos2x.
As a hint, you will have to use sin(3*2x) for the doubleangle of sine.
If you want to work on that, then we can critique your thinking.
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