Techniques of Differentiation - Derivatives of Natural Logarithmic Functions

Techniques of Differentiation - Derivatives of Natural Logarithmic Functions

Find the derivative of each of the following w.r.t \(x\):

  1. \(y = \ln \left( \cos^2 x \sqrt{\sin x} \right)\)
  2. \(y = \ln \left( \cos^2 3x \tan^3 3x \right)\)
  3. \(y = \ln \sqrt{\frac{\cos 2x}{\tan^2 2x}}\)

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Answer:(a) \(-2\tan x+\dfrac12\cot x\) (b) \(9\cot3x+3\tan3x\) (c) \(-3\tan2x-2\cot2x\)

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