Find: ∫0π4sin3xcos3x dx\displaystyle \int_0^{\frac{\pi}{4}} \sin 3x \cos 3x \, dx∫04πsin3xcos3xdx
59 exam-style questions on CCEA A Level Maths 3.6.1 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.