मान ज्ञात कीजिए: $\sin(22 \frac{1}{2}^{\circ})$

  • A
    $\sqrt{\frac{2+\sqrt{2}}{4}}$
  • B
    $\frac{2+\sqrt{2}}{4}$
  • C
    $\sqrt{\frac{2-\sqrt{2}}{4}}$
  • D
    $\frac{2-\sqrt{2}}{4}$

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