Find all polar coordinates of point P where P =(1, pi/3)

possible answers:

a. 1, pi/3, + 2npi or (-1, pi/3 + (2n + 1 ) pi)

b.1, pi/3, + (2n+1)pi) or (-1, pi/3 + 2npi)

c.1, pi/3, +n pi) or (-1, pi/3, +n pi)

d.1, pi/3, + 2n pi) or (-1, pi/3 + 2n pi)