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Line 1: − The basic cosine graph is as follow:
It's obviously a graph - you don't have to tell us that
'''Cosine''' is a [[trigonometric function]] describing the [[ratio]] of the adjacent side to the [[hypotenuse]] in a [[right triangle]]. It is often abbreviated ''cos''.
'''Cosine''' is a [[trigonometric function]] describing the [[ratio]] of the adjacent side to the [[hypotenuse]] in a [[right triangle]]. It is often abbreviated ''cos''.
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