Definition of Cosine in English :
Define Cosine in English
Cosine meaning in English
Meaning of Cosine in English
Pronunciation of Cosine in English
Cosine pronunciation in English
Pronounce Cosine in English
Cosine
see synonyms of cosineNoun
WordNet Lexical Database for English. Princeton University. 2010.
Cosine
see synonyms of cosinenoun (of an angle)
a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the hypotenuse; the sine of the complement
. Abbreviation: cosCollins English Dictionary. Copyright © HarperCollins Publishers
Cosine
see synonyms of cosine noun Trigonometry
Mathematics
the reciprocal of the secant
; specif.a.
the ratio of the adjacent side of a given acute angle in a right triangle to the hypotenuse
b.
an equivalent, positive or negative ratio for certain related angles (Ex.: the cosine of 57° or 303° is .5446, of 123° or 237° is -.5446) or real numbers representing radians (Ex.: cosine of .9948 radians (57°) is .5446)
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Cosine
see synonyms of cosinen. Abbr. cos
1. In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.
2. The abscissa at the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.