Versed Sine

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Related to Versed Sine: Coversed sine, coversine

versed sine

[′vərst ′sīn]
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.

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