arccos (1/2ϕ)=2π/5
Source: wiktionary
Arccos
Synonyms for "arccos" (4 found)
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Noun(1 words)
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Noun(1 words)
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2 total sentences available.
[…]with the appropriate constraint angles measured in terms of the arccoses and arctans.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.