Report - Edexcel GCSE (9-1) Maths: need-to-know formulae€¦ · 1 2 1 2 Edexcel GCSE (9-1) Maths: need-to-know formulae Pythagoras For a right-angled triangle, a2 + b2 = c2 sin xo = , cos

Please pass captcha verification before submit form