$\frac{\tan A + \sec A - 1}{\tan A - \sec A + 1} = $

  • A
    $\frac{1 - \sin A}{\cos A}$
  • B
    $\frac{1 - \cos A}{\sin A}$
  • C
    $\frac{1 + \sin A}{\cos A}$
  • D
    $\frac{1 + \cos A}{\sin A}$

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