Sec• Sec[z] gives the secant of z. • The argument of Sec is assumed to be in radians. (Multiply by Degree to convert from degrees.)
• Sec[z] can be input as  .
•  .
• 1/Cos[z] is automatically converted to Sec[z].
• See also: ArcSec, TrigToExp.
Examples Using InstantCalculatorsHere is the InstantCalculator for the Sec function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands DirectlyYou can paste a template for this command via the Text Input button on the Sec Function Controller. Here is a plot of Sec[x] for x from - to .
This is the derivative.
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This is the integral.
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Ordinary Mathematical NotationThis also gives the derivative.
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This also gives the integral.
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