期刊信息
- 刊名： 河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
- 主办： 河北师范大学
- ISSN： 1000-5854
- CN： 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
Discussion on Trigonometric Equalities of Simplices and Their Application
摘要/Abstract
摘要：
对于n维欧氏空间En中的单纯形, 建立了与单纯形顶点相邻的诸二面角和诸二棱角相关的三角等式, 并根据这一等式得到高维余弦公式。
Abstract：
Gave trigonometric equalities of simplices which show a relation between dihedral angles and diedge angles of simplices. By means of the equality, some useful results of n-simplices are obtained.
关键词
Key words：
n-simplices
;
dihedral angle
;
higher-dimentional sins law