Acute-angled+triangle
41cosine — ► NOUN Mathematics ▪ (in a right angled triangle) the ratio of the side adjacent to a particular acute angle to the hypotenuse …
42cotangent — ► NOUN Mathematics ▪ (in a right angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle (the reciprocal of tangent) …
43secant — ► NOUN 1) Mathematics (in a right angled triangle) the ratio of the hypotenuse to the shorter side adjacent to an acute angle. 2) Geometry a straight line that cuts a curve in two or more parts. ORIGIN from Latin secare to cut …
44sine — ► NOUN Mathematics ▪ (in a right angled triangle) the ratio of the side opposite a particular acute angle to the hypotenuse. ORIGIN Latin sinus curve …
45cosecant — n. Math. the ratio of the hypotenuse (in a right angled triangle) to the side opposite an acute angle; the reciprocal of sine. Etymology: mod.L cosecans and F coseacutecant (as CO , SECANT) …
46cosine — n. Math. the ratio of the side adjacent to an acute angle (in a right angled triangle) to the hypotenuse. Etymology: mod.L cosinus (as CO , SINE) …
47cotangent — n. Math. the ratio of the side adjacent to an acute angle (in a right angled triangle) to the opposite side …
48secant — adj. & n. Math. adj. cutting (secant line). n. 1 a line cutting a curve at one or more points. 2 the ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right angled triangle). Usage: Abbr.: sec. Etymology: F… …
49se|cant — «SEE kuhnt, kant», noun, adjective. –n. 1. Geometry. a straight line that intersects a curve at two or more points. 2. Trigonometry. a) the ratio of the length of a hypotenuse of a right angled triangle to the length of the side adjacent to an… …
50Law of cosines — This article is about the law of cosines in Euclidean geometry. For the cosine law of optics, see Lambert s cosine law. Figure 1 – A triangle. The angles α, β, and γ are respectively opposite the sides a, b, and c …
