for −128≤x≤127
and −127≤y≤128
where x,y∈Z
Point P(x,y) is a point on the
cartesian plane.
From the origin, angle θ is made counter
−clockwise with the positive x−axis.
(1) How many unique angles θ exist
if x,y∈P?
(2) Furthermore, how many unique
angles θ exist for the full range of x,y∈Z?
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