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 out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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