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Mathematics
Mathematics
Problem
If
x
=
a
cos
3
θ
x = a \cos^3 \theta
x
=
a
cos
3
θ
,
y
=
a
sin
3
θ
y = a \sin^3 \theta
y
=
a
sin
3
θ
, then find
d
2
y
d
x
2
\frac{d^2 y}{dx^2}
d
x
2
d
2
y
.
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