Where does this definition of hyperbolic cosine come from?
This entry for hyperbolic cosine is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does hyperbolic cosine appear elsewhere on Lughet?
Yes — hyperbolic cosine appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.
