SOLUTION: Prove that 4(sin^4(x)+cos^4(x))=4-2sin^2(2x)
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Question 1189605: Prove that 4(sin^4(x)+cos^4(x))=4-2sin^2(2x)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Prove that 4(sin^4(x)+cos^4(x))=4-2sin^2(2x)
manipulate left side
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