01 n. The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity.
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1.
The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity.(Trig.)
Phrases & compounds
Artificial sines —
logarithms of the natural sines, or logarithmic sines.
Curve of sines —
See Sinusoid.
Natural sines —
the decimals expressing the values of the sines, the radius being unity.
Sine of an angle —
in a circle whose radius is unity, the sine of the arc that measures the angle; in a right-angled triangle, the side opposite the given angle divided by the hypotenuse. See Trigonometrical function, under Function.
Versed sine —
that part of the diameter between the sine and the arc.