弦切角
相关定理
参考文獻
- {{cite web | url = http://terms.naer.edu.tw/detail/2746588/ | title = 弦切角 chord tangent angle | website = 國家教育研究院 | access-date = 2019-07-21 | archive-date = 2019-07-22 | archive-url = https://web.archive.org/web/20190722210111/http://terms.naer.edu.tw/detail/2746588/
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