Origin of secantClassical Latin secans, present participle of secare, to cut: see saw
- Geom. any straight line intersecting a curve at two or more points
- Trigonometry the reciprocal of the cosine; specif.,
- the ratio of the hypotenuse to the adjacent side of a given acute angle in a right triangle
- an equivalent, positive or negative ratio for certain related angles (Ex.: the secant of 57° or 303° is 1.8362, of 123° or 237° is ?1.8362) or real numbers representing radians (Ex.: the secant of .9948 radians (57°) is 1.8362)
- a. A straight line intersecting a curve at two or more points.b. The straight line drawn from the center through one end of a circular arc and intersecting the tangent to the other end of the arc.c. The ratio of the length of this line to the length of the radius of the circle.
- The reciprocal of the cosine of an angle in a right triangle.
Origin of secantFrom Latin secāns secant- present participle of secāre to cut ; see sek- in Indo-European roots.
From Latin secans, present participle of secare (“to cut")