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If the point (1+cos theta,sin theta) lie...

If the point `(1+cos theta,sin theta)` lies between the region corresponding to the acute angle between the lines `x-3y=0` and `x-6y=0`, then
(A) `theta in RR`
(B) `theta in RR ∼ n pi, n in I`
(C) `theta in RR ∼ (n pi+pi/2), n in I`
(D) None of these

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