The external secant function (abbreviated exsecant, symbolized exsec) is a trigonometric function defined in terms of the secant function: exsec ⁡ θ =...

arcexcosec, arcexc.) arcexs – inverse exsecant function. (Also written as arcexsec.) arcexsec – inverse exsecant function. (Also written as arcexs.) arcosech...

Institute of Railway Signal Engineers (IRSE) Association of American Railroads Exsecant Degree of curvature List of engineering topics List of engineers Minimum...

Holditch's theorem, for a chord rotating in a convex closed curve Circle graph Exsecant and excosecant Versine and haversine - ( crd ⁡ θ = 2 haversin ⁡ θ {\displaystyle...

cotangent, secant, and cosecant, as well as archaic functions like versine and exsecant – can be defined geometrically in terms of a unit circle, as shown at right...

Skinny triangle Small oscillations of a pendulum Versine and haversine Exsecant and excosecant Holbrow, Charles H.; et al. (2010), Modern Introductory...

Trigonometric functions: sine, cosine, tangent, cotangent, secant, cosecant, exsecant, excosecant, versine, coversine, vercosine, covercosine, haversine, hacoversine...

SEC-1, sec-1, or sec−1 may refer to: sec x−1 = sec(x)−1 = exsec(x) or exsecant of x, an old trigonometric function sec−1y = sec−1(y), sometimes interpreted...

− θ)), the haversine (haversin(θ) = ⁠1/2⁠versin(θ) = sin2(⁠θ/2⁠)), the exsecant (exsec(θ) = sec(θ) − 1), and the excosecant (excsc(θ) = exsec(⁠π/2⁠ − θ)...

(which appeared in the earliest tables), the coversine, the haversine, the exsecant and the excosecant. The list of trigonometric identities shows more relations...