Find: ∫0π4sin2xcos2x dx\displaystyle \int_0^{\frac{\pi}{4}} \sin 2x \cos 2x \, dx∫04πsin2xcos2xdx
119 exam-style questions on AQA A Level Maths 1.11.5 Integration by substitution and by parts (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.