(Solution Library) Prove that sin ^4x+ cos ^4x=1-2 sin ^2x+2 sin


Question: Prove that

\[{{\sin }^{4}}x+{{\cos }^{4}}x=1-2{{\sin }^{2}}x+2{{\sin }^{4}}x\]

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document

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