If $A\left(\frac{\pi}{3}\right)$ and $B\left(\frac{\pi}{6}\right)$ are points on a circle represented in parametric form with center $(0,0)$ and radius $12$,then the length of the chord $AB$ is:

  • A
    $6(\sqrt{6}-\sqrt{2})$
  • B
    $6(\sqrt{6}-\sqrt{3})$
  • C
    $\sqrt{2}(\sqrt{3}-1)$
  • D
    $6(\sqrt{3}-1)$

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