If $y = \log_{\cos x} \sin x$,then $\frac{dy}{dx}$ is equal to

  • A
    $\frac{\cot x \log \cos x + \tan x \log \sin x}{(\log \cos x)^2}$
  • B
    $\frac{\tan x \log \cos x + \cot x \log \sin x}{(\log \cos x)^2}$
  • C
    $\frac{\cot x \log \cos x + \tan x \log \sin x}{(\log \sin x)^2}$
  • D
    None of these

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