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Math Help - differentiation

  1. #1
    Masiullah
    Guest

    differentiation

    I am unable to solve these problems:-
    differentiate :1. sin^-1(tan x)
    2.tan^-1(sin x)
    Last edited by Masiullah; June 25th 2007 at 02:22 AM. Reason: new problem
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  2. #2
    Senior Member
    Joined
    Jul 2006
    From
    Shabu City
    Posts
    381
    differentiate:
    d(\sin^{-1}u) = \frac{1}{\sqrt{1-u^2}}du

    d(\sin^{-1}(3x-4x^3))
    =\frac{1}{\sqrt{1-(3x-4x^3)^2}}d(3x-4x^3)
    =\frac{3-12x^2}{\sqrt{1-(3x-4x^3)^2}}
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