secant

• Существительное с двумя основными значениями: в геометрии — прямая линия, пересекающая кривую в двух или более точках; в тригонометрии — отношение длины гипотенузы к длине прилежащего катета в прямоугольном треугольнике.

A noun with two primary meanings: in geometry, a straight line that cuts a curve at two or more points; in trigonometry, the ratio of the length of the hypotenuse to the length of the adjacent side in a right-angled triangle.

1. Geometry: Intersecting lineC1formaltechnical

   A straight line that cuts a curve at two or more distinct points.

   Секущая

   • The secant of a circle intersects it at two points.
   • In geometry, a secant is defined by its intersection with a curve.
   • The graph shows a secant crossing the parabola at two locations.

2. Trigonometry: RatioC1formaltechnical

   The reciprocal of the cosine function; the ratio of the length of the hypotenuse to the length of the adjacent side in a right-angled triangle.

   Секанс

   • The secant of angle A is equal to the hypotenuse divided by the adjacent side.
   • In trigonometry, secant is often abbreviated as sec.
   • To solve the problem, calculate the secant of 30 degrees.