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The system of equations x - y cos the...

The system of equations
`x - y cos theta + z cos 2theta =0`
`-xcostheta+y-zcostheta=0`
`x cos 2theta-ycostheta + z=0`
has non-trivial solution for `theta` equals

A

`pi/3`

B

`pi/6`

C

`(2pi)/3`

D

`pi/12`

Text Solution

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The correct Answer is:
1,3,3,4
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