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  • 正切 - 维基百科,自由的百科全书
    符号说明 正切的符号为 ,旧写为 ,源于英文tangent。 该符号最早由 数学家 湯瑪斯·芬克 (Thomas Fincke)所采用。 [1]
  • Tangent - Wikipedia
    In geometry, the tangent line (or simply tangent) to a plane curve at a given point is, intuitively, the straight line that "just touches" the curve at that point
  • 正切_百度百科
    [1] 中文名 正切 外文名 tangent (简写tan,旧为tg) 研究学科 数学 值 域 整个实数集 定义域 {x|x≠ (π 2)+kπ,k∈Z} 周 期 kπ,k∈Z
  • TANGENT中文 (简体)翻译:剑桥词典 - Cambridge Dictionary
    For a given trajectory (that is, given the initial conditions at the source), the maximum possible fundamental occurs when the trajectory has a vertical tangent
  • 正弦、余弦和正切 - 数学乐
    正弦 (sine), 余弦 (cosine) 和 正切 (tangent) (英语符号简写为 sin, cos 和 tan) 是 直角三角形 边长的比: 对一个特定的角 θ 来说,不论三角形的大小,
  • tangents - 搜索 词典
    As a writer who had always been much to fond of parentheses and footnotes, I found this opportunity to go off on tangents irresistible
  • 数学 三角函数 sin 正弦、cos 余弦、tan 正切、cot 余切、sec 正割、csc 余割 简介
    图解定义 正弦 (sine), 余弦 (cosine) 和 正切 (tangent) (英语符号简写为 sin, cos 和 tan) 是 直角三角形 边长的比: 对一个特定的角 θ 来说,不论三角形的大小, 这三个比是不变的
  • Tangent - Math. net
    The graph of tangent is periodic, meaning that it repeats itself indefinitely Unlike sine and cosine however, tangent has asymptotes separating each of its periods




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