$x$ के सापेक्ष निम्नलिखित का अवकलन कीजिए: $\log(\cos e^{x})$

  • A
    $-e^{x} \tan e^{x}$
  • B
    $e^{x} \tan e^{x}$
  • C
    $-e^{x} \cot e^{x}$
  • D
    $e^{x} \cot e^{x}$

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