यदि $A + B + C = 180^\circ$ है,तो $\frac{\sin 2A + \sin 2B + \sin 2C}{\cos A + \cos B + \cos C - 1} = $

  • A
    $8\sin \frac{A}{2}\sin \frac{B}{2}\sin \frac{C}{2}$
  • B
    $8\cos \frac{A}{2}\cos \frac{B}{2}\cos \frac{C}{2}$
  • C
    $8\sin \frac{A}{2}\cos \frac{B}{2}\cos \frac{C}{2}$
  • D
    $8\cos \frac{A}{2}\sin \frac{B}{2}\sin \frac{C}{2}$

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