Q 3041480323.     `1+ \sin x + \sin^2 x +\sin^3 x +... = 4 + 2\sqrt{3}, 0 < x < \pi, x\ne frac{\pi}{2}` then x=

A

`frac{\pi}{6}, frac{\pi}{3}`

B

`frac{\pi}{6}, frac{5\pi}{6}`

C

`frac{\pi}{3}, frac{2\pi}{3}`

D

`frac{\pi}{3}, frac{5\pi}{6}`

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