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Arc sec

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Read Also:

• Arc secant

  the angle, measured in radians, that has a secant equal to a given number. symbol: sec −1. abbreviation: arc sec; arc secant the inverse of the secant function.

• Arc second

  astronomy, 2 (def 4).

• Arc sin

  . arc sine

• Arc sine

  the angle, measured in radians, that has a sine equal to a given number. symbol: sin −1. abbreviation: arc sin; arc sine the inverse of the sine function.

• Arc spectrum

  a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc p-sses.

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