Eccentric angle of a point on the ellipse ${x^2} + 3{y^2} = 6$ at a distance $2$ units from the centre of the ellipse is

  • A

    $\frac{\pi }{4}$

  • B

    $\frac{\pi }{3}$

  • C

    $\frac{{3\pi }}{4}$

  • D

    $(a)$ and $(c)$ both

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