यदि $\alpha+\beta=\frac{\pi}{2}$ और $\beta+\gamma=\alpha$ है,तो $\tan \alpha$ का मान क्या होगा?

  • A
    $2(\tan \beta+\tan \gamma)$
  • B
    $\tan \beta+\tan \gamma$
  • C
    $\tan \beta+2 \tan \gamma$
  • D
    $2 \tan \beta+\tan \gamma$

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