cosine ( synonym found)
Definition of cosine:

(n) : in a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos; the x coordinate of the point on the unit circle at the given anticlockwise angle from the x axis
Definition of cosine:

(n) : in a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos; the x coordinate of the point on the unit circle at the given anticlockwise angle from the x axis
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