- #1
iRaid
- 559
- 8
Homework Statement
Find dy/dx.
[itex]y=sin^{2}(3x-2)[/itex]
Homework Equations
The Attempt at a Solution
Using the chain rule,
[itex]y=sin^{2}u[/itex]
[itex]y'=2sinucosu[/itex]
[itex]u=3x-2[/itex]
[itex]u'=3[/itex]
[itex]\frac{dy}{dx}=6sin(3x-2)cos(3x-2)[/itex]
Answer is:
[itex]3sin(6x-4)[/itex]
What am I missing here ?