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Homework Help: Need your help

  1. Jun 29, 2010 #1
    how to differentiate the following with respect to x

    x:cos2x

    thanks for ur help,

    sorry that i couldn't write it in a fraction form
     
    Last edited: Jun 29, 2010
  2. jcsd
  3. Jun 29, 2010 #2

    Mark44

    Staff: Mentor

    Have you never seen / used when fractions are written?

    If f(x) = x/cos(2x) there should be a differentiation rule that comes immediately to mind.
     
  4. Jun 30, 2010 #3

    Redbelly98

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper

    Moderator's note: thread moved from Differential Equations.
     
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