Atan2

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

In computing and mathematics, the function atan2 is the 2-argument arctangent. By definition, θ=atan2⁡(y,x) is the angle measure between the positive x-axis and the ray from the origin to the point (x,y) in the Cartesian plane, measured in radians with −π<θ≤π.

Excerpt from the Wikipedia article “Atan2”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Nicoguaro, CC BY 4.0, via Wikimedia Commons.