$\frac{d}{d x}\left(e^{\log _e \sqrt{1+\tan ^2 x}}\right) =$

  • A
    $\sec ^2(x) \cdot \tan (x)$
  • B
    $\sec (x) \cdot \tan ^2(x)$
  • C
    $\sec (x) \cdot \tan (x)$
  • D
    $\tan ^2(x)$

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