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secd - Secant of argument in degrees

Syntax

Y = secd(X)

Description

Y = secd(X) is the secant of the elements of X, expressed in degrees. For odd integers n, secd(n*90) is infinite, whereas sec(n*pi/2) is large but finite, reflecting the accuracy of the floating point value of pi.

See Also

sec, sech, asec, asecd, asech

  


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