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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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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