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

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

A

`theta = pi/3`

B

`theta = pi/6`

C

`theta = pi/3 or pi/6`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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