arccos (1/2ϕ)=2π/5
Source: wiktionary
Arccos
Synonyms for "arccos" (3 found)
Ranked by relevance and common usage.
Closest matches (1)
Noun(1 words)
arc cosine
Strong matches (1)
Noun(1 words)
Related words (1)
Noun(1 words)
inverse cosine
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
2 entriescircular functiontrigonometric function
Sample sentences
2 total sentences available.
[…]with the appropriate constraint angles measured in terms of the arccoses and arctans.
Source: wiktionary