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Limit of [sin(4x)cos(4x)] as x approaches pi/48?

0 votes

I've been told the answer is 0.25,

asked Sep 11, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

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Recall the double angle formula sin(2A) = 2 sinA cosA.

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 Now substitute image to get the limit.

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answered Sep 11, 2014 by david Expert

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