find all polar coordinates of point p where p = (5, -pi/6) (5, -pi/6 2nπ) or (-5, -pi/6 2nπ) (5, -pi/6 2nπ) or (-5, -pi/6 (2n 1)π) (5, -pi/6 2nπ) or (5, pi/6 (2n 1)π) (5, -pi/6 (2n 1)π) or (-5, -pi/6 2nπ)