त्रिकोणमितीय फलन $\sin 765^{\circ}$ का मान ज्ञात कीजिए।

  • A
    $\frac{1}{2}$
  • B
    $\frac{\sqrt{3}}{2}$
  • C
    $\frac{1}{\sqrt{2}}$
  • D
    $1$

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