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三十七度和五十三度的正弦余弦值
更新时间: 2020-09-16 00:00:00  

53度正弦为0.8,余弦为0.6。

37度正弦为0.6,余弦为0.8。

正弦和余弦是一种数学术语,也是基本物理概念。正弦是股与弦的比例,余弦是余下的那条直角边与弦的比例。按现代说法,正弦是直角三角形的对边与斜边之比。余弦是三角形中邻边与斜边的比。

关键词: 十三 正弦 余弦

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