| 三角学的公理化 |
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| 引用本文： | 应制夷.三角学的公理化[J].数学研究及应用,1993,13(2):245-247. |
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| 作者姓名： | 应制夷 |
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| 作者单位： | 上海师范大学数学系 |
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| 摘 要： | 本文给出余弦函数的两个公理:(?)得到公理1,2等价于我们熟知的余弦函数定义域幂级数定义.(见Dr.Konrad Knopp)heory and application of Inpinitc sehies(Frist English Edition1928;Second English Edi-tion1951)).
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| 关 键 词： | 三角学 公理化 余弦函数 |
| 收稿时间： | 1991/12/29 0:00:00 |
Axiomatizing Trigonometry |
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| Ying Zhiyi.Axiomatizing Trigonometry[J].Journal of Mathematical Research with Applications,1993,13(2):245-247. |
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| Authors: | Ying Zhiyi |
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| Affiliation: | Dept. of Math.; Shanghai Teachers University; China |
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| Abstract: | In this paper, two axioms for cosine function are given and the well-known definitions defined by power series as well as by the arc length on a unit circle have been obtained. Obviously the latter implies both axioms. Thus the two axioms given do constitute a characterization for the cosine function. |
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