Express cos2(u2)\displaystyle \cos^2 \left(\frac{u}{2}\right)cos2(2u) in terms of cosu\cos ucosu
Find: ∫cos2(u2) du\displaystyle \int \cos^2 \left(\frac{u}{2}\right) \, du∫cos2(2u)du
31 exam-style questions on OCR (MEI) A Level Maths 1.9.24 Integrate e^kx, 1/x, sin kx, cos kx (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.