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