Find the first derivative of
y
=
4
cos
(
−
3
x
9
−
10
)
\displaystyle {y}={4}{\cos{{\left(-{3}{x}^{{9}}-{10}\right)}}}
y
=
4
cos
(
−
3
x
9
−
10
)
.
d
y
d
x
=
\displaystyle \frac{{\left.{d}{y}\right.}}{{\left.{d}{x}\right.}}=
d
x
d
y
=
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