释义 |
versed sine
versed sinen. Abbr. vers A trigonometric function of an angle equal to one minus the cosine of that angle. Also called versine. [Translation of New Latin sinus versus : sinus, sine + Latin versus, past participle of vertere, to turn.]versed sine or versinen (Mathematics) a trigonometric function equal to one minus the cosine of the specified angle. Abbreviation: vers [C16: from New Latin sinus versus, from sine1 + versus turned, from vertere to turn]TranslationsVersed Sine
versed sine[′vərst ′sīn] (mathematics) The versed sine of A is 1 - cosine A. Denoted vers. Also known as versine. Versed Sine a trigonometric function. The versed sine of the angle α is equal to 1 - cos α and is written vers α. Now rarely encountered, the function was widely used until the 17th century. |