AQA Level 2 Further Maths, Chapter 6 · exam-style questions with mark schemes · mensuration, Pythagoras’ theorem, angle facts, circle theorems, geometric proof, trigonometry in right-angled triangles, sin x, cos x and tan x for angles up to 360°, their graphs, trigonometric equations and the identities sin2 x + cos2 x = 1 and tan x = sin x / cos x