Jisho

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きゅうめんさんかくほう 球面三角法
Noun
1. spherical trigonometryMathematics
Wikipedia definition
2. Spherical trigonometrySpherical trigonometry is a branch of spherical geometry which deals with polygons on the sphere and the relationships between the sides and the angles. This is of great importance for calculations in astronomy and earth-surface, orbital and space navigation.
Read “Spherical trigonometry” on English Wikipedia
Read “球面三角法” on Japanese Wikipedia
Read “Spherical trigonometry” on DBpedia

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