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 lengthxand measured counterclockwis...
noun 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. : cos Mathematics.(of a real or complex numberx) the function cosxdefined by the infinite series 1 − (x2 /2!) + (x4...
In a right triangle, the cosine of an angle is found by dividing the length of the adjacent side by the hypothenuse. If the angle is not acute, use the unit circle and similarity of triangles. What is the definition of the cosine of an angle?
cosine/ˈkoʊˌsaɪn/noun pluralcosines Britannica Dictionary definition of COSINE [count]geometry :the ratio between the long side (called the hypotenuse) and the side that is next to an acute angle in a right triangle
In a right triangle, the cosine of an angle is found by dividing the length of the adjacent side by the hypothenuse. If the angle is not acute, use the unit circle and similarity of triangles. What is the definition of the cosine of an angle?
Twitter Google Share on Facebook 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 abscis...
Cosine, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is cos A = length of side adjacent to angle A length of hypotenuse .(The other five trigonometric functions are sine [sin], tangent [tan], secant [sec], cosec
Illustrated definition of Cosine: In a right angled triangle, the cosine of an angle is: The length of the adjacent sidebrdivided by the length...
英文 伊多語 cosinenoun语法 (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[..] +添加翻译 英文-伊多語字典 cosinuso ro.wiktionary.org ...
Cosine definition In a right triangle ABC the cosine of α, cos(α) is defined as the ratio betwween the side adjacent to angle α and the side opposite to the right angle (hypotenuse): cosα=b/c Example b= 3" c= 5" cosα=b/c= 3 / 5 = 0.6 ...