inverse : Idioms & Phrases


additive inverse

  • noun (mathematics) one of a pair of numbers whose sum is zero; the additive inverse of -5 is +5
WordNet

Inverse, ∨ Reciprocal, ratio

  • (Math.), the ratio of the reciprocals of two quantities.
Webster 1913

Inverse, ∨ Reciprocal, proportion

  • an equality between a direct ratio and a reciprocal ratio; thus, 4 : 2 : : ⅓ : ⅙, or 4 : 2 : : 3 : 6, inversely.
Webster 1913

inverse cosecant

  • noun the angle that has a cosecant equal to a given number
    arccosecant; arc cosecant.
WordNet

inverse cosine

  • noun the inverse function of the cosine; the angle that has a cosine equal to a given number
    arccosine; arc cosine; arccos.
WordNet

inverse cotangent

  • noun the inverse function of the cotangent; the angle that has a cotangent equal to a given number
    arc cotangent; arccotangent.
WordNet

Inverse figures

  • (Geom.), two figures, such that each point of either figure is inverse to a corresponding point in the order figure.
Webster 1913

inverse function

  • noun a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x
WordNet

Inverse points

  • (Geom.), two points lying on a line drawn from the center of a fixed circle or sphere, and so related that the product of their distances from the center of the circle or sphere is equal to the square of the radius.
Webster 1913

inverse secant

  • noun the inverse function of the secant; the angle that has a secant equal to a given number
    arcsec; arcsecant; arc secant.
WordNet

inverse sine

  • noun the inverse function of the sine; the angle that has a sine equal to a given number
    arc sine; arcsine; arcsin.
WordNet

inverse tangent

  • noun the inverse function of the tangent; the angle that has a tangent equal to a given number
    arctangent; arc tangent; arctan.
WordNet

multiplicative inverse

  • noun (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
    reciprocal.
WordNet