Trigonometric RatiosMedium

Question

The solution set of (2 cos x − 1) (3 + 2 cos x) = 0 in the interval 0 ≤ x ≤ 2π is-

Options

A.{π / 3}
B.{π / 3, 5π / 3}
C.{π / 3, 5π / 3, cos-1(-3/2)}
D.None of these

Solution

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