$\sin \left[2 \cos ^{-1} \frac{\sqrt{5}}{3}\right]$ નું મૂલ્ય શોધો.

  • A
    $\frac{\sqrt{5}}{3}$
  • B
    $\frac{2 \sqrt{5}}{3}$
  • C
    $\frac{4 \sqrt{5}}{9}$
  • D
    $\frac{2 \sqrt{5}}{9}$

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