Before using SOHCAHTOA, what type of triangle must the diagram contain?
A right-angled triangle.
Flashcards for Edexcel IGCSE Maths SOHCAHTOA (Trigonometry), covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 23 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.