यदि $A + C = B$ है,तो $\tan A \tan B \tan C = $

  • A
    $\tan A \tan B + \tan C$
  • B
    $\tan B - \tan C - \tan A$
  • C
    $\tan A + \tan C - \tan B$
  • D
    $ - (\tan A \tan B + \tan C)$

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