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sine:

see trigonometrytrigonometry
[Gr.,=measurement of triangles], a specialized area of geometry concerned with the properties of and relations among the parts of a triangle. Spherical trigonometry is concerned with the study of triangles on the surface of a sphere rather than in the plane; it is
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.

Sine

 

(sin), a trigonometric function. The sine of an acute angle in a right triangle is the ratio of the length of the leg opposite the angle to the length of the hypotenuse. The Indian mathematicians used the word jiva, whose literal meaning is “bowstring,” for the sine. The Arabs rendered jiva as jiba and subsequently used the reading jaib, which is a common word in Arabic meaning “curve,” “bosom,” or “fold” and corresponding to the Latin word sinus.

sine

[sīn]
(mathematics)
The sine of an angle A in a right triangle with hypotenuse of length c given by the ratio a / c, where a is the length of the side opposite A ; more generally, the sine function assigns to any real number A the ordinate of the point on the unit circle obtained by moving from (1,0) counterclockwise A units along the circle, or clockwise | A | units if A is less than 0. Denoted sin A.

sine

of an angle
a. a trigonometric function that in a right-angled triangle is the ratio of the length of the opposite side to that of the hypotenuse
b. a function that in a circle centred at the origin of a Cartesian coordinate system is the ratio of the ordinate of a point on the circumference to the radius of the circle

sine

In a right triangle, the ratio of the side opposite an acute angle (less than 90 degrees) and the hypotenuse. The cosine is the ratio between the adjacent side and the hypotenuse. These angular functions are used to compute circular movements.
References in periodicals archive ?
For SINEs and LINEs, correlation coefficients between all pair-wise species were strongly positive (Table 1).
On Saturday, the juggling continues with plans for a rare "above the nameplate" King-related headline on Page One, with Final Four coverage below the name, Sines said.
In contrast to standard sequencing, analysis of SINEs and LINEs presents a nearly perfect record of evolutionary change, says Okada.
What sparked Sines' interest in doing a statewide series was his appointment by the governor to a special youth task force to examine the issue.
Labour's Birmingham MP Jack Dromey agreed Sines, who runs 16 sites with partner James Crickmore, "has a long track record of abusing those who live on park homes sites that he owns".
A buyer offered pounds 48,000 in March and paid a deposit but dropped out after speaking to Sines and offered no explanation.
Sines and Crickmore received the heftiest bans from the BHA for their role as ringleaders in a case that was described as unprecedented in its scale and complexity by BHA security director Paul Scotney.
Sines admitted telling one on Medina Park their home was "junk" and "worthless" with the aim of getting them to give up the property.
In reasons for punishments published on Monday, it emerged that an application was made on Crickmore's behalf that he should receive a shorter sentence than the 14 years handed to co-conspirator Maurice Sines because "racing played a more important part in his social life".
The resulting exclusion orders bring to 78.5 years the total bans arising from the investigation and subsequent 11-day inquiry from which the longest punishments, of 14 years each, were handed down to former owners Maurice Sines and James Crickmore.