also: せかんと
The secant is the reciprocal of the cosine.
One of the trigonometric functions is the secant.
Tangent; the ratio of sine to cosine.
Standard kanji form for the mathematical term.
Katakana loanword form commonly used in mathematics.
From Chinese 正割 (zhènggē), literally 'upright cut', a calque of New Latin secans. The kanji 正 (upright) and 割 (cut) were chosen to represent the geometric concept.