# cosine function

## cosine function

[′kō‚sīn ‚fəŋk·shən]
(mathematics)
In a right triangle with an angle θ, the cosine function gives the ratio of adjacent side to hypotenuse; more generally, it is the function which assigns to any real number θ the abscissa of the point on the unit circle obtained by moving from (1,0) counterclockwise θ units along the circle, or clockwise |θ| units if θ is less than 0. Denoted cos.
References in periodicals archive ?
In this paper, we have defined rough neutrosophic hyper-complex set and rough neutrosophic hyper-complex cosine function (RNHCF).
In order to overcome theses disadvantages, Ye [53] proposed improved cosine similarity measures based on cosine function, including single valued neutrosophic cosine similarity measures and interval neutrosophic cosine similarity measures.
Overplotted is a cosine function, cos (\$4n), (see fig.
Fourier theory is that a signal can be used for a series of the cosine function is cumulative and representation, but Fourier transform only the frequency resolution without time resolution.
If we compare this function to the Cosine function of the traditional trigonometry we find that the Elliptic Jes function is the general case of the cosine function and it is defined as following:
This can lead students to think that the angle is not important and that the angle for the sine function and the angle for the cosine function need not agree for the identity to be true.
At the end of each rule statement, the rule was recited by all participants in unison: "When multiplying the cosine function by a number greater than 1, the graph stretches along the y axis.
Errors are a function of angle and have maximum magnitude near the zeros of the cosine function.
The angle of arrival referenced to the centre point of one sensor pair can be calculated using the inverse cosine function (Arcus-Cosine) (Fig.
In this experiment students investigate the graph of the cosine function by measuring the thrust force as a function of the angle.
The diurnal variation of vertical ionospheric delay is modelled by a cosine function, with varying amplitude and period, depending on the geomagnetic latitude.