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| a proportion containing terms of which an increase in one results in a decrease in another |
| a set of elements capable of being completely counted and not zero |
| trigonometric function | |
| —n | |
| 1. | Also called: circular function any of a group of functions of an angle expressed as a ratio of two of the sides of a right-angled triangle containing the angle. The group includes sine, cosine, tangent, secant, cosecant, and cotangent |
| 2. | any function containing only sines, cosines, etc, and constants |
trigonometric function (trĭg'ə-nə-mět'rĭk) Pronunciation Key
(click for larger image in new window) A function of an angle, as the sine, cosine, or tangent, whose value is expressed as a ratio of two of the sides of the right triangle that contains the angle. |