Subscriber login
Password
Forgot your password?
Library card login
Login with Shibboleth® »
Login with Athens »
Close menu
Oxford Dictionaries Online
The world's most trusted dictionaries
About
Subscriber services
What's new
Contact us
Help
Subscribe now
Already a subscriber or in a subscribing organization?
Login
Dictionary
Other language resources
US English
World English
Dictionary
Better writing
World of words
Puzzles and games
For children and schools
For learners of English
Email
Cite
arc cosine
(arc co¦sine)
(abbreviation:
arcos
)
noun
a mathematical function that is the inverse of the cosine function.
More words in this category
array
asymmetry
bound
2
composite
critical point
equal
exponent
hyperbolic
icosahedron
incommensurable
Lorenz attractor
mapping
maths
principal diagonal
residual
root mean square
skew
subtrahend
tilde
Nearby Words
arborist
arborization
arbour
arbovirus
Arbus, Diane
Arbuthnot, John
arbutus
ARC
arc
arc cosine
Arc de Triomphe
arc eye
arc furnace
arc lamp
arc sine
arc tangent
arc welding
arcade
Arcadia