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Mathematics
Mathematics
Problem
Calculate the exact area enclosed by the cardioid
r
=
2
(
1
−
cos
θ
)
r = 2\bigl(1-\cos\theta\bigr)
r
=
2
(
1
−
cos
θ
)
. a)
4
π
4\pi
4
π
b)
12
π
12\pi
12
π
c)
6
π
6\pi
6
π
d)
3
π
3\pi
3
π
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