Use the substitution u=sinxu = \sin xu=sinx to find ∫sin3xcosxdx\int \sin^3 x \cos x dx∫sin3xcosxdx
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.