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Diffrenetiating cos(yz^2)

  1. Jan 30, 2012 #1
    To differentiate [itex]cos(yz^{2})[/itex] with respect to y

    can we simply ignore the [itex]z^{2}[/itex] term in the differentiation ?
  2. jcsd
  3. Jan 30, 2012 #2


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    Gold Member

    yup! since it's with respect to y, z is irrelevant.
  4. Jan 30, 2012 #3


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    Science Advisor

    Do not "ignore" it, treat it like a constant!
  5. Jan 31, 2012 #4
    treat it like a=z^2.. It's a constant when differentiating with respect to y
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