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单词 versine
释义

versine /'vɚ,saɪn//ˈvɚˌsaɪn/

英汉-汉英词典
正矢
词组 | 习惯用语
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  • version n. 变体,变种,型式;(从不同角度的)说法,描述;(电影、剧本、乐曲等的)版本,改编形式,改写本
  • versatile adj. 多才多艺的;通用的;多功能的
  • versin n. 正矢
  • versifier n. 将散文改成韵文的人;拙劣诗人;诗人
versine [数] 正矢

网络短语:
versine function 正矢函数
versine computer 正矢计算器
versine equalizing instrument 正矢校平仪
versine shock pulse 正矢冲击脉冲
英语例句库
  1. Our versine annals not change ground is persistent at increasing type of merchandise- - add the option inside existing category, add new category.
    我们正矢志不渝地执着于增加商品种类--增加现有类别内的选择,并添加新的类别。

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中文百科

正矢

角θ的所有三角函数在几何上可以依据以O点为圆心的单位圆来构造。
seno, coseno, y verseno de θ sobre la base de la circunferencia goniométrica.
A unit circle with trigonometric functions.
Comparison of the versine function with three approximations to the versine functions, for angles ranging from 0 to 2π

正矢(英文:VersineVersed sine),在三角函数之中被定义为\textrm{versin} \theta = 1 - \cos \theta \,,值域在0~2之间。

  • 余矢(英文:coversed sinecoversine),写为\operatorname{coversin}(\theta),有时亦缩写为\operatorname{cvs}(\theta)
  • 半正矢(英文:haversed sinehaversine),写为\operatorname{haversin}(\theta),因半正矢公式出名,且曾用于导航术。
  • 半余矢(英文:hacoversed sinehacoversinecohaversine),写为\operatorname{hacoversin}(\theta)
英语百科

Versine 正矢

A unit circle with trigonometric functions.
Sine, cosine, and versine of angle θ in terms of a unit circle with radius 1, centered at O. This figure also illustrates the reason why the versine was sometimes called the sagitta, Latin for arrow.[32] If the arc ADB of the double-angle Δ = 2θ is viewed as a
The trigonometric functions can be constructed geometrically in terms of a unit circle centered at O.
Comparison of the versine function with three approximations to the versine functions, for angles ranging from 0 to 2π

The versine or versed sine is a trigonometric function already appearing in some of the earliest trigonometric tables. The versine of an angle equals 1 minus its cosine.

There are several related functions, most notably the coversine and haversine. The latter, half a versine, is of particular importance in the haversine formula of navigation.

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更新时间:2025/6/23 3:40:46