SOLUTION: Sin^4x-cos^4x=1-2cos^2x

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Question 986691: Sin^4x-cos^4x=1-2cos^2x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Sin^4x-cos^4x=1-2cos^2x
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You didn't say what you want to do.