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unit circle

Noun CEFR B2

Definitions

  1. A circle of radius 1.
  2. The circle of radius 1 with centre at the origin, used in defining trigonometric functions.

Equivalents

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CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

unit cost unit disk unit fine unit fraction unit function unit gyrovector

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