Last Updated
：2025/12/24
半正矢
Hiragana
はんせいや
Noun
Japanese Meaning
半分の正弦を表す三角法の用語。haversine（半正矢）とも呼ばれ、特に球面三角法や測地学で二点間の角距離や大円距離の計算に用いられる関数。 / 天文学や航海術において、地球表面上の二地点間の距離を求める際に利用される、角度の半分の弦の長さに関連する量。
Easy Japanese Meaning
えんやきょくせんなどで、あるかくどのはんぶんをつかってもとめるとくべつなすうち
Chinese (Simplified)
三角函数：半正矢，定义为(1 − cosθ)/2 / 即sin²(θ/2)，常用于球面三角与航海测距
Sense（1）
(trigonometry) haversine; haversed sine
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
半正矢
See correct answer
There are times when we perform calculations with the haversine in trigonometry.
There are times when we perform calculations with the haversine in trigonometry.
See correct answer
三角法で半正矢の計算を行うことがあります。
Japanese - English
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