subtangent

/suhb-tan-juhnt/US // sʌbˈtæn dʒənt //UK // (sʌbˈtændʒənt) //

正切,正切线,正切法,正切值

Definitions

n.名词 noun

1
Geometry.
- : the part of the x-axis cut off between the ordinate of a given point of a curve and the tangent at that point.