Level 3 Differentiation Walkthrough
Question 2(a)
2022 Paper - Product rule with trig chain rule
Question
\[
\text{Differentiate } f(x)=(5x-3)\sin(4x).
\]
You do not need to simplify your answer.
Try the question yourself first. If you get stuck, open the hints before using the full walkthrough.
Step 1
Choose the differentiation technique
This function is one factor multiplied by another, so which rule should we start with?