જો $x \sin \theta = y \sin \left( \theta + \frac{2\pi}{3} \right) = z \sin \left( \theta + \frac{4\pi}{3} \right)$ હોય,તો:

  • A
    $x + y + z = 0$
  • B
    $xy + yz + zx = 0$
  • C
    $xyz + x + y + z = 1$
  • D
    આમાંથી કોઈ નહીં

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$1 + 4 \sin \theta + 3 \cos \theta$ ની અંતિમ કિંમતો (extreme values) કઈ છે?

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