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Mathematics
Mathematics
Problem
A circle is defined by the parametric equations
x
=
5
+
2
cos
θ
x = 5 + 2 \cos \theta
x
=
5
+
2
cos
θ
,
y
=
3
+
2
sin
θ
y = 3 + 2 \sin \theta
y
=
3
+
2
sin
θ
Find the centre and the radius of the circle.
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