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英文字典中文字典相关资料:


  • Trigonometric functions - Wikipedia
    The word tangent comes from Latin tangens meaning "touching", since the line touches the circle of unit radius, whereas secant stems from Latin secans—"cutting"—since the line cuts the circle [50]
  • Tangent Formula - What Are Tangent Formulas? Examples - Cuemath
    Examples Using Tangent Formulas Example 1: If sec x = 5 3 and x is in the first quadrant, find the value of tan x Solution: Using one of the tangent formulas, tan x = ± √(sec 2 x - 1) Since x is in the first quadrant, cos x is positive
  • TANGENT Definition Meaning - Merriam-Webster
    from Latin tangent-, tangens "touching," from tangere "to touch" — related to contact, tactile, tangible
  • The Tangent Function – Mathematical Mysteries
    The word “tangent” comes from “tangens”, meaning touching or extending (the line that touches the circle at one point) The term “tangent” referring to an angle was first used by the Danish mathematician Thomas Fincke in 1583





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