Finding Lengths and Angles Using Cosine Rule

The Cosine Rule Videos

Name: Choosing Between Sine and Cosine Rules
Uploaded: 2026-05-06T08:09:29.120Z
Duration: 22 min 24 s
Description: Watch Choosing Between Sine and Cosine Rules, a free GCSE Maths revision video from MathsGenie.

Video lessons for Edexcel GCSE Maths The Cosine Rule. 2 lessons matched to the Edexcel GCSE Maths (1MA1) specification, each working through the content and then applying it to exam-style questions in Paper 1, Paper 2 and Paper 3 format. Suitable for Foundation and Higher tier.