trigonometric function

noun

Definition of trigonometric function

1 : a function (such as the sine, cosine, tangent, cotangent, secant, or cosecant) of an arc or angle most simply expressed in terms of the ratios of pairs of sides of a right-angled triangle

— called also circular function

2 : the inverse (such as the arcsine, arccosine, or arctangent) of a trigonometric function

Examples of trigonometric function in a Sentence

Recent Examples on the Web Spacecraft software demands sophisticated mathematical programming, full of matrix operations, trigonometric functions, and multiple precision variables. — Frank O’brien, Ars Technica, 30 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trigonometric function.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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trigonometric equation

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Cite this Entry

“Trigonometric function.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trigonometric%20function. Accessed 23 Sep. 2021.

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