cosine
/koh-sahyn/US // ˈkoʊ saɪn //UK // (ˈkəʊˌsaɪn) //
余弦,余弦值,余弦线,余弦曲线
Definitions
n.名词 noun
- 1
- : Trigonometry. the ratio of the side adjacent to a given angle to the hypotenuse.the sine of the complement of a given angle or arc. Abbreviation: cos
- : Mathematics. the function cos x defined by the infinite series 1 − + − + …, where ! denotes factorial. Abbreviation: cosCompare sine, factorial.
Examples
The variables do not literally represent the angle measurements themselves, but instead stand in for complex numbers associated to the cosines of the angles.
And, seating himself beside Dirrik, he began to explain the mysteries of sine, cosine and tangent.
The sine and the cosine I shall have occasion to employ in the latter part of my lecture.
Like the functions sine and cosine, the elliptic functions have addition theorems, e.g.
Nevertheless, I bear no grudge against the sine and the cosine, which I continue to hold in high esteem.
The nine cosine-inclinations above are, as has been seen, connected by six equations.
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