(b) (2, -3) (i) Find polar coordinates (r, 0) of the point, where r> 0 and 0 ≤ 0 < 2n. 3 (-1) (r, 0) = ( V13, tan (ii) Find polar coordinates (r, 0) of the point, where r < 0 and 0 ≤ 0 < 2n. 2 V13 (r, 0) = ( - V 13, co COS