If x\ costheta=y cos(theta+(2pi)/3)=z co...

If `x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3)` , then write the value of `1/x+1/y+1/zdot`

A

1

B

2

C

0

D

`3 cos theta`

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The correct Answer is:

C

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