trigonometric function
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Related to trigonometric function: exponential function, Inverse trigonometric function
trigonometric function
In a right triangle, the three main trigonometric functions are
sine θ = opposite / hypotenuse
cosine θ = adjacent / hypotenuse
tangent θ = opposite / adjacent.
trigonometric function
n.
A function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, or cosecant. Also called circular function.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
trigonometric function
n
1. (Mathematics) 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. (Mathematics) any function containing only sines, cosines, etc, and constants
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
trig′onomet′ric func′tion
n.
a function of an angle, as the sine or cosine, expressed as the ratio of the sides of a right triangle.
Also called circular function. [1905–10]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
trigonometric function
In a right triangle, the trigonometric functions are: sine θ = opposite/hypothenuse cosine θ = adjacent/hypothenuse tangent θ = opposite/adjacent
trig·o·no·met·ric 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® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | ![]() function, mapping, mathematical function, single-valued function, map - (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) sine, sin - ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle arc sine, arcsin, arcsine, inverse sine - the inverse function of the sine; the angle that has a sine equal to a given number arc cosine, arccos, arccosine, inverse cosine - the inverse function of the cosine; the angle that has a cosine equal to a given number arc tangent, arctan, arctangent, inverse tangent - the inverse function of the tangent; the angle that has a tangent equal to a given number arc cotangent, arccotangent, inverse cotangent - the inverse function of the cotangent; the angle that has a cotangent equal to a given number arc secant, arcsec, arcsecant, inverse secant - the inverse function of the secant; the angle that has a secant equal to a given number |
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