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Mathematics
Mathematics
Problem
Calculate the value of
d
d
x
[
sec
(
3
x
)
]
\displaystyle \frac{d}{dx}[\sec(3x)]
d
x
d
[
sec
(
3
x
)]
at
x
=
π
6
.
x=\tfrac{\pi}{6}.
x
=
6
π
.
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