2026 CCHY P2 Q3

2026 CCHY P2 Q3

Secondary 4
7 marks
  1. Given that \(y=\dfrac{(2x+1)\sin2x}{4}\), show that \(\dfrac{\mathrm{d}y}{\mathrm{d}x}=\dfrac{(2x+1)\cos2x+\sin2x}{2}\).[2]
  2. Hence find the exact value of \(\displaystyle\int_0^{\pi/4}(2x+1)\cos2x\,\mathrm{d}x\).[5]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) Shown. (b) \(\dfrac\pi4\).

Need help? Join our JC Math tuition classes.

Learn more