Cosine is based on a right triangle. The cosine ratio of an angle is calculated by dividing the side adjacent, or next to, that angle by the triangle's hypotenuse, or the longest side. 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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