secd

Compute the secant of x expressed in degrees.

secd(x)

Methods

julia> methods(secd, (Any,), [Base, Base.Math, Base.MathConstants, Base.MPFR])# 1 method for generic function "secd" from Base.Math:
 [1] secd(z::Number)
     @ special/trig.jl:1145

Examples

Real Numbers

julia> secd(0)
1.0

julia> secd(45)
1.414213562373095

julia> secd(60)
2.0

julia> secd(90)
Inf

julia> secd(180)
-1.0

Complex

julia> secd(0+0im)
1.0 + 0.0im

Tips

See Also

Extended Inputs

Tech Notes

• Implemented in terms of cosd: secd(x) = inv(cosd(x))

Version History

Introduced in Julia v1.0 (2018)

External Links