SOLUTION: Hello, Could yo please differentiate, y=2sin2x . cos2x Thankyou in advance, Alex

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Question 894672: Hello,
Could yo please differentiate, y=2sin2x . cos2x

Thankyou in advance,
Alex
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
differentiate, y=2sin2x . cos2x
------
y = sin(2x)*cos(2x)
It's the product rule
y' = 2cos(2x)*cos(2x) + sin(2x)*-2sin(2x)
= 2(cos^2(2x) - sin^2(2x))
= 2cos(4x)