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Cosine – Trigonometry – Math

By |2017-07-29T17:48:21-07:00July 29th, 2017|Math|

Right triangle and cosine A cosine, like a sine, is a mathematical way of thinking about a kind of movement that happens in nature. A cosine is really just a rephrasing of the same information we already had for calculating the sine function. One way to describe these changes is with the sine function. Choose [...]