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If the centroid of traingle formed by point `(0,0) (costheta,sintheta) " and "(sintheta,-costheta)` lies on the line y=2x, then the value of `tan theta` is

A

`-3`

B

3

C

2

D

`-2`

Text Solution

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The correct Answer is:
B
`3^(302)=3^(2).(3^(5))^(60)=9.(242+1)^(60)=9.(242.k+1),kinN`.
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