જો $\tan (A - B) = x$ હોય,તો $x$ ની કિંમત શું થાય?

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

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