Let S = { theta in [-2pi,2pi]:2 cos^(2)...

Let `S = { theta in [-2pi,2pi]:2 cos^(2) theta + 3 sin theta = 0}`, then the sum of the equations elements of S is .

A

`(13pi)/(6)`

B

`2pi`

C

`pi`

D

`(5pi)/(3)`

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The correct Answer is:

B

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