જો $A+B+C=\pi$ હોય,તો $\sin A-\sin B+\sin C=$

  • A
    $4 \cos \left(\frac{A}{2}\right) \cos \left(\frac{B}{2}\right) \cos \left(\frac{C}{2}\right)$
  • B
    $4 \sin \left(\frac{A}{2}\right) \sin \left(\frac{B}{2}\right) \cos \left(\frac{C}{2}\right)$
  • C
    $4 \sin \left(\frac{A}{2}\right) \cos \left(\frac{B}{2}\right) \sin \left(\frac{C}{2}\right)$
  • D
    $4 \cos \left(\frac{A}{2}\right) \sin \left(\frac{B}{2}\right) \sin \left(\frac{C}{2}\right)$

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