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Mathematics
Mathematics
Problem
If
x
=
a
(
t
+
sin
t
)
x = a(t + \sin t)
x
=
a
(
t
+
sin
t
)
and
y
=
a
(
1
−
cos
t
)
y = a(1 - \cos t)
y
=
a
(
1
−
cos
t
)
, then find
d
2
y
d
x
2
\frac{d^2y}{dx^2}
d
x
2
d
2
y
.
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