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Mathematics
Mathematics
Problem
A curve is described by
x
=
cos
t
x=\cos t
x
=
cos
t
and
y
=
sin
2
t
y=\sin 2t
y
=
sin
2
t
. Evaluate
d
y
d
x
\dfrac{dy}{dx}
d
x
d
y
at
t
=
π
3
t=\dfrac{\pi}{3}
t
=
3
π
.
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