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gives the secant of z.
  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • The argument of Sec is assumed to be in radians. (Multiply by Degree to convert from degrees.)
  • sec(z)=1/cos(z).
  • For certain special arguments, Sec automatically evaluates to exact values.
  • Sec can be evaluated to arbitrary numerical precision.
  • Sec automatically threads over lists.
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