यदि $\tan 80^{\circ} = \alpha$ और $\tan 47^{\circ} = \beta$ है,तो $\tan 37^{\circ}$ का मान क्या होगा?

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

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