ArcSec• ArcSec[z] gives the arc secant  of the complex number z. • All results are given in radians.
• ArcSec[z] can be input as  .
• For real z outside the interval -1 to 1, the results are always in the range 0 to  , excluding  .
• See also: ArcCot, ArcCsc.
 Examples Using InstantCalculatorsHere is the InstantCalculator for the ArcSec 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 ArcSec Function Controller. Here is a plot of ArcSec[x] for x from 1 to 10.
This is the derivative.
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This is the indefinite integral.
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Ordinary Mathematical NotationThis also gives the derivative.
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This also gives the indefinite integral.
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