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nounratio of the adjacent side to the hypotenuse of a right-angled triangle
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Definition that contains cosine
- arccosine the inverse function of the cosine; the angle that has a cosine equal to a given number
- inverse cosine the inverse function of the cosine; the angle that has a cosine equal to a given number
- arc cosine the inverse function of the cosine; the angle that has a cosine equal to a given number
- arccos the inverse function of the cosine; the angle that has a cosine equal to a given number