SOLUTION: Find d/dxsin^2(x+1/4 pi), and write your answer in its simplest form.

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Question 1187315: Find d/dxsin^2(x+1/4 pi), and write your answer in its simplest form.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find d/dx sin^2(x+1/4 pi)
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= 2sin(x + pi/4)*cos(x +pi/4)
= sin(2x + pi/2)
= -cos(2x)