cosine
n.[数]余弦
单词图片
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cosine为短语/超纲词汇
cosine
/'kəʊsaɪn; `kosaɪn/
n (abbr 缩写 cos) (mathematics 数) in a right-angled triangle, the ratio of the length of a side adjacent to one of the acute angles to the length of the hypotenuse 余弦. Cf 参看 sine, tangent 2.
n (abbr 缩写 cos) (mathematics 数) in a right-angled triangle, the ratio of the length of a side adjacent to one of the acute angles to the length of the hypotenuse 余弦. Cf 参看 sine, tangent 2.
cosine
n[C]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
[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
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