The polar equations are and
.
Find the intersection points by equating the equations.
\The solutions on the interval .
The sine function is positive in first and second quadrant.
\The solutions are .
Substitute in
.
.
Substitute in
.
.
The intersection points are and
.
Graph the polar equations and
.
Observe the graph:
\The graphs appear to intersect at ,
and
.
is not a solution of the equation
, so it is not a solution of the system.
The intersection points are and
.