arctangent

noun
arc·​tan·​gent | \ (ˌ)ärk-ˈtan-jənt How to pronounce arctangent (audio) \
variants: or less commonly arc tangent
plural arctangents also arc tangents

Definition of arctangent

: the inverse function of the tangent if y is the tangent of θ, then θ is the arctangent of y abbreviation arctan

First Known Use of arctangent

1886, in the meaning defined above

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Last Updated

17 Sep 2019

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The first known use of arctangent was in 1886

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