यदि $x^y=y^{\sin x}(\tan x)^{\cos x}$ है, तो $\left(\log x-\frac{\sin x}{y}\right) \frac{d y}{d x}=$

  • A
    $\cos x \log y-\sin x \log (\tan x)+\operatorname{cosec} x-\frac{y}{x}$
  • B
    $\cos x \log y-\sin x \log (\tan x)+\cos ^2 x \operatorname{cosec} x-\frac{y}{x}$
  • C
    $\frac{\cos x}{x}-\sin ^2 x \sec x$
  • D
    $\cos x-x \sin ^2 x \sec x$

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