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Mathematics
Mathematics
Problem
Evaluate
d
y
d
x
∣
x
=
π
/
6
\left.\dfrac{dy}{dx}\right|_{x=\pi/6}
d
x
d
y
x
=
π
/6
for the function
y
=
(
cos
x
)
x
.
y=(\cos x)^{x}.
y
=
(
cos
x
)
x
.
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