arctan
English
Alternative forms
arctg
Etymology
From
arc-
+
tan
.
Noun
arctan
(
plural
arctans
)
Abbreviation of
arctangent
.
tan
(
arctan
2
2
)
=
1
ϕ
{\displaystyle \tan \left({\arctan 2 \over 2}\right)={1 \over \phi }}
See also
arcsin
arccos
Anagrams
cantar