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Mathematics
Mathematics
Problem
Calculate all values of
θ
\theta
θ
in
[
0
,
2
π
)
[0,2\pi)
[
0
,
2
π
)
at which the graphs of
r
=
2
cos
θ
r=2\cos\theta
r
=
2
cos
θ
and
r
=
1
+
cos
θ
r=1+\cos\theta
r
=
1
+
cos
θ
intersect.
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