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Mathematics
Mathematics
Problem
The normal to the curve
x
=
a
(
1
+
cos
θ
)
x = a(1 + \cos\theta)
x
=
a
(
1
+
cos
θ
)
,
y
=
a
sin
θ
y = a\sin\theta
y
=
a
sin
θ
at
θ
\theta
θ
always passes through the fixed point (a)
(
a
,
a
)
(a, a)
(
a
,
a
)
(b)
(
0
,
a
)
(0, a)
(
0
,
a
)
(c)
(
0
,
0
)
(0, 0)
(
0
,
0
)
(d)
(
a
,
0
)
(a, 0)
(
a
,
0
)
(a)
(
a
,
a
)
(a, a)
(
a
,
a
)
(b)
(
0
,
a
)
(0, a)
(
0
,
a
)
(c)
(
0
,
0
)
(0, 0)
(
0
,
0
)
(d)
(
a
,
0
)
(a, 0)
(
a
,
0
)
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