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    cosine

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    cosine

    Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
    Related topics: Maths
    co·sine /ˈkəʊsaɪn $ ˈkoʊ-/ noun [countable] technical  HMthe measurement of an acute angle in a triangle with a right angle, that is calculated by dividing the length of the side next to it by the length of the hypotenuse 〔数学的〕余弦 → sine
    Examples from the Corpus
    cosine• Thinking these thoughts gets in the way of my learning about sines and cosines.• In this case the rotation tensor R is equal to the direction, cosine L. Example 10.• This means that one cosine has 2 associated angles.• This function returns the cosine of an angle.    Origin cosine (1600-1700) Modern Latin cosinus, from co- + Medieval Latin sinus ( → SINE)
    co·sine nounChineseSyllable
    acute the measurement Corpus in angle an of


    cosine
    co‧sine /ˈkəʊsaɪn $ ˈkoʊ-/ noun [countable] technical
     Date: 1600-1700
     Language: Modern Latin
     Origin: cosinus, from co- + Medieval Latin sinus ( ⇨ sine)
    the measurement of an acute angle in a triangle with a right angle, that is calculated by dividing the length of the side next to it by the length of the hypotenuse ⇨ sine


    co·sineBrE /ˈkəʊsaɪn/ 🔊NAmE /ˈkoʊsaɪn/ 🔊 noun (abbreviation cos) (mathematics 数学) the ratio of the length of the side next to an acute angle in a right-angled triangle to the length of the longest side (= the hypotenuse ) 余弦  ➡  compare sine, tangent (2)