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Math Help - Calculus Derivative.

  1. #1
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    Arrow Calculus Derivative.

    Find dy/dx if y=(3tanx)/(4-cosx)
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  2. #2
    MHF Contributor red_dog's Avatar
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    Use \left(\frac{f}{g}\right)'=\frac{f'g-fg'}{g^2}

    and (\tan x)'=\frac{1}{\cos^2x}, \ (\cos x)'=-\sin x
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