The curves are
and
.
Graph the curves
and
.
Observe the graph:
\The curves on interval
.
The curves are intersect at eight points.
\
Find the intersection points by equating the two curves.
\


.
The general solutions on interval
.
.
The four intersection points are
, where
.
Find the other four intersection points.
\The curve
is circle equation,
also gives the same circle as
.
Therefore, equate
.




.
The general solutions on interval
.
.
The four intersection points are
, where
.
The points of intersection are
\
and
.
The points of intersection are
\
and
.