About this document
O Level Maths: Cosine Rule Explained by Jeelian Leong is a document available to read on EtoBox.
The document discusses the cosine rule, which can be used to calculate angles and sides of any triangle, not just right triangles. It presents the formula for the cosine rule and shows how it can be used to find a side given two sides and the angle between them, or to find an angle given three sides. An example of each application is shown.
- Author
- Jeelian Leong
- Language
- EN