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Mathematics
Mathematics
Problem
If
x
=
a
sec
3
θ
x = a \sec^3 \theta
x
=
a
sec
3
θ
and
y
=
a
tan
3
θ
y = a \tan^3 \theta
y
=
a
tan
3
θ
, then find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
at
θ
=
π
3
\theta = \frac{\pi}{3}
θ
=
3
π
.
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