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    3. find the derivative wher y=cos^(2)x
    find the derivative wher y=cos^(2)x

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    0  Views: 538 Answers: 1 Posted: 14 years ago
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      1 Answer

      y=cos2x expand it with formula of cos2x anthen square it and thnen differentiaste it

      13 years ago. Rating: 0
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