ALL meanings of cosine
co·sine
C c - noun cosine 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 3
- noun cosine the reciprocal of the secant 3
- noun cosine the ratio of the adjacent side of a given acute angle in a right triangle to the hypotenuse 3
- noun cosine 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) 3
- noun cosine The trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. 1
- noun cosine Trigonometry. (in a right triangle) the ratio of the side adjacent to a given angle to the hypotenuse. the sine of the complement of a given angle or arc. Abbreviation: cos. 1
- noun cosine Mathematics. (of a real or complex number x) the function cos x defined by the infinite series 1 − (x 2 /2!) + (x 4 /4!) − + …, where ! denotes factorial. Abbreviation: cos. Compare sine (def 3), factorial (def 1). 1
- noun Definition of cosine in Technology Cooperation for Open Systems Interconnection Networking in Europe. A EUREKA project. 1
- noun cosine (trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos. 0