arc-
English edit
Etymology edit
From Latin arcus (“bow, arc”), as they represent an angle or arc. Compare etymology of arch.
Prefix edit
arc-
- (mathematics) Used to form the names of inverse trigonometric functions, and the symbols for these functions.
- arc-sine (British), arcsine (US)
- arctan
- (mathematics, sometimes proscribed) Alternative form of ar- used to form the names of inverse trigonometric functions, and the symbols for these functions.
Usage notes edit
The use of arc- with hyperbolic functions is sometimes discouraged, as the term arc implies a circular angle. The forms with ar- (derived from hyperbolic area) are more common anyway due to being shorter.
Synonyms edit
Derived terms edit
Translations edit
forms the names of inverse trigonometric and hyperbolic functions
See also edit
- arch- (encompassing a wide assortment)