The included angle is the angle situated between [ ].
two known sides
all three known sides
two known angles
a known side and an angle
Flashcards for Oxford AQA IGCSE Maths The Cosine Rule, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E). 20 cards, matched to the Oxford AQA IGCSE Maths (9260) specification.