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If 1+sintheta+sin^2theta+sin^3theta+..to...

If `1+sintheta+sin^2theta+sin^3theta+..to oo=4+2sqrt3 ` 0<`theta`<`pi`, `theta!=pi/2` then

A

`pi/6`

B

`pi/2`

C

`pi/3` or `pi/6`

D

`pi/3` or `(2pi)/3`

Text Solution

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The correct Answer is:
D
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