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JEE Math Practice Question

If $\theta \in[-2 \pi, 2 \pi]$, then the number of solutions of $2 \sqrt{2} \cos ^2 \theta+(2-\sqrt{6}) \cos \theta-\sqrt{3}=0$, is equal to:

  1. A.8
  2. B.6
  3. C.10
  4. D.12

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