यदि $\frac{\tan (\alpha+\beta-\gamma)}{\tan (\alpha-\beta+\gamma)}=\frac{\tan \gamma}{\tan \beta}$ और $\beta \neq \gamma$ है,तो $\sin 2 \alpha+\sin 2 \beta+\sin 2 \gamma$ का मान क्या है?

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $\frac{1}{2}$

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