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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)/(3)`

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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OBJECTIVE RD SHARMA-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise
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