Cosine Ratio

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

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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