Use the substitution u=cosxu = \cos xu=cosx to find ∫cos4xsinxdx\int \cos^4 x \sin x dx∫cos4xsinxdx
Practise Edexcel A Level Maths 11.5 Integration by Substitution with exam-style questions for A Level Maths. 59 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.