A Level Further Maths, Core Pure 2, Chapter 5 · exam-style questions with mark schemes and worked solutions · shadows of past-paper questions and new questions in the style of Edexcel, Edexcel iAL, AQA, OCR A and MEI · polar coordinates and equations, converting to and from Cartesian form, sketching polar curves (circles, half-lines, spirals, cardioids, limaçons and roses), the area enclosed by a polar curve, and tangents parallel or perpendicular to the initial line