Cosine is based on a right triangle. It is calculated by choosing an angle and dividing the side adjacent, or next to, that angle by the triangle's hypotenuse. This value is a ratio between -1 and 1. In Hopscotch, when you use Cosine, you get an equation that magnifies the value of Cosine since it's always a very small number. 

Search the community for sine and cosine to see examples of cool visuals. 

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