unit circle
Noun
Meaning
(geometry) A circle of radius 1.
(trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.
Source: en.wiktionary.orgNoun
(geometry) A circle of radius 1.
(trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.
Source: en.wiktionary.org