hyperbolic cosine

名词 n.
中文释义

英文释义

名词 n.
  1. A hyperbolic function that is the analogue of the cosine function for hyperbolic spaces, taking in a hyperbolic angle as an argument and returning the y-coordinate for the corresponding point on the unit hyperbola, symbolically represented as
    — cosh (x)= tfrac 1 2(eˣ+e⁻ˣ).

词形变化

hyperbolic cosines plural
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