The Cosine Rule formula and use in non-right angled triangles for GCSE Maths RevisionThe Cosine Rule formula is an advanced topic for Higher GCSE - used regularly for non-right angled triangles. This GCSE Maths Revision lessons covers finding missing angles and missing sides
A video explains how to work out missing angles and missing sides of non-right angles triangles using the cosine rule, which is required for Higher GCSE Maths. Watch the video, take notes, then go to your website for some practice...
Please visit https://maths-school.co.uk for more revision
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