trig function

trig function

trigonometric function WORD ORIGIN noun Mathematics. Also called circular function. a function of an angle, as sine or cosine, expressed as the ratio of the sides of a right triangle. any function involving only trigonometric functions and constants. the generalization of these to functions of real or complex numbers.

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  • Origin of trigonometric function First recorded in 1905–10 Also called trig function (for defs 1, 2). Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for trig function trigonometric function noun 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 any function containing only sines, cosines, etc, and constants Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 trig function in Science trigonometric function [trĭg′ə-nə-mĕt′rĭk] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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