Functions
SEC
Secant of an angle in radians
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When to use it
When would I use SEC in a spreadsheet?
Use SEC (secant) in trigonometric and geometric calculations where you need the reciprocal of cosine, such as computing angles in optics or structural analysis.
Used in
Syntax
SEC(angle)Examples
=SEC(1) // => 1.8508157176809255
=SEC(-1) // => 1.8508157176809255
=SEC(4) // => -1.5298856564663974