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The possible values of theta in (0, pi) ...

The possible values of `theta in (0, pi)` such that `sin(theta)+sin(4theta)+sin(7theta) = 0` are:

A

`(2pi)/4,pi/4,(4pi)/9,pi/2,(3pi)/4,(8pi)/9`

B

`(pi)/4,(5pi)/12,pi/2,(2pi)/3,(3pi)/4,(8pi)/9`

C

`(2pi)/9,(pi)/4,pi/2,(2pi)/3,(3pi)/4,(35pi)/36`

D

`(2pi)/9,(pi)/4,pi/2,(2pi)/3,(3pi)/4,(8pi)/9`

Text Solution

Verified by Experts

The correct Answer is:
D
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