Cosine Ratio

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Examples, solutions, and videos to help GCSE Maths students learn about the trigonometric ratio called cosine.

The Cosine Ratio - Basic Trig GCSE/High School Math
Cosine is defined and its limits explored. The values of common angles 30, 45 and 60 degrees are described.

Basic Trigonometry : SOHCAHTOA : finding sides using sine, cosine and tangent
Essential maths revision video showing how to find missing sides easily using SOHCAHTOA, the cos, sin and tan functions for GCSE maths

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