Let
f
(
x
)
=
cos
(
9
x
+
5
)
\displaystyle {f{{\left({x}\right)}}}={\cos{{\left({9}{x}+{5}\right)}}}
f
(
x
)
=
cos
(
9
x
+
5
)
f
′
(
x
)
=
\displaystyle {f}'{\left({x}\right)}=
f
′
(
x
)
=
Preview
Question 6
Submit
Try a similar question
License
[more..]
\displaystyle
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question