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Sec

FilledSmallSquareSec[z] gives the secant of z.

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare The argument of Sec is assumed to be in radians. (Multiply by Degree to convert from degrees.)

FilledSmallSquare.

FilledSmallSquare1/Cos[z] is automatically converted to Sec[z]. TrigFactorList[expr] does decomposition.

FilledSmallSquare See The Mathematica Book: Section 3.2.6.

FilledSmallSquare See also: ArcSec, TrigToExp, TrigExpand.

Further Examples

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