unit circle
Appearance
English
[edit]Noun
[edit]unit circle (plural unit circles)
- A circle of radius 1.
- (trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.
Usage notes
[edit]- Unit circle is seldom used in the simple geometric sense, where "a circle of radius 1" is much more common.
Translations
[edit]circle of radius 1
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circle of radius 1 with centre at the origin, used in trigonometry
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