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Homework Help: How to differentiate functions with respect to other functions

  1. Feb 16, 2006 #1
    differentiate inverse tan (2x / [1 - x^2] ) with respect to inv sin ( 2x / [1 + x^2] ).

    may i know what does it mean with respect to inv sin and how to start wif this ques pls
     
  2. jcsd
  3. Feb 16, 2006 #2

    HallsofIvy

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    Chain rule: derivative of f(x) with respect to h(x) is
    [tex]\frac{df}{dh}= \frac{df}{dx}\frac{dx}{dh}= \frac{\frac{df}{dx}}{\frac{dh}{dx}}[/tex]
     
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