$(1,$

$3$

$)$

$($i$)$ Find polar coordinates $($r$,)$ of the point, where

r $>0$ and $0<2.$

$($r$,)=$

$10,$ $$tan$1(3)$

$($ii$)$ Find polar coordinates $($r$,)$ of the point, where

r $<0$ and $0<2.$

$($r$,)=$

$10,2$$$tan$1(3)$