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余弦

yú xiándictionary entry
DEFINITION CC-CEDICT
(math.) cosine
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-09504b83913f5cb0. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

餘弦 余弦 [yu2 xian2] /(math.) cosine/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

Other forms in these source records: 餘弦

  • 余
    yú

    (literary) I / me / extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me

    Yú

    surname Yu

  • 弦
    xián

    bow string / string of musical instrument / watchspring / chord (segment of curve) / hypotenuse / CL:根[gēn]

Reference definitions from CC-CEDICT.