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Mathematics
Mathematics
Problem
Find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
at
t
=
π
4
t = \frac{\pi}{4}
t
=
4
π
if
y
=
cos
4
t
y = \cos^4 t
y
=
cos
4
t
&
x
=
sin
4
t
x = \sin^4 t
x
=
sin
4
t
.
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