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Cosine Ratio





 
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More Lessons for GCSE Maths

Math Worksheets

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




Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other 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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