શ્રેણી $\sum_{n=1}^{\infty} \sin \left(\frac{n! \pi}{720}\right)$ નો સરવાળો શું થાય?

  • A
    $\sin \left(\frac{\pi}{180}\right)+\sin \left(\frac{\pi}{360}\right)+\sin \left(\frac{\pi}{540}\right)$
  • B
    $\sin \left(\frac{\pi}{6}\right)+\sin \left(\frac{\pi}{30}\right)+\sin \left(\frac{\pi}{120}\right)+\sin \left(\frac{\pi}{360}\right)$
  • C
    $\sin \left(\frac{\pi}{6}\right)+\sin \left(\frac{\pi}{30}\right)+\sin \left(\frac{\pi}{120}\right)+\sin \left(\frac{\pi}{360}\right)+\sin \left(\frac{\pi}{720}\right)$
  • D
    $\sin \left(\frac{\pi}{180}\right)+\sin \left(\frac{\pi}{360}\right)$

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