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if 1+sinx+sin^2x+sin^3x+...........oo=4+...

if `1+sinx+sin^2x+sin^3x+...........oo=4+2sqrt3`, `0 ltx lt pi ` and `x !=pi/2` then `x`

A

`(0,2pi)`

B

`(-pi,0)`

C

`((-pi)/(2),(pi)/(2))`

D

`(0,pi)`

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The correct Answer is:
c
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