SOLUTION: Contract the following and evaluate if possible. {{{ (1/4)cos6asin6a }}}

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Question 549879: Contract the following and evaluate if possible.
+%281%2F4%29cos6asin6a+
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(1/4)cos6asin6a = ?
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Formula: sin(2x) = 2sin(x)cos(x)
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(1/4)cos(6a)sin(6a)
= (1/4)sin(12a)cos(12a)
===========================
Cheers,
Stan H.