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A vector hati + sqrt(3) hatj rotates ab...

A vector `hati + sqrt(3) hatj` rotates about its tail through an angle 60° in clockwise direction then the new vector is

A

`hati + sqrt(3)hatj`

B

`3hati - 4hatj`

C

`2hatj`

D

`2hati`

Text Solution

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The correct Answer is:
D
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