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The centre, radius of the circle r^(2) -...

The centre, radius of the circle `r^(2) - 8 r cos (theta - (pi)/(3) ) + 12 =0` is

A

`[ (4, (pi)/(3)), 2]`

B

`[( 2, (pi)/(3) ), 2]`

C

`[ (4, (pi)/(3)), 1]`

D

`[ (4, (pi)/(3) ), 3]`

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The correct Answer is:
A
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