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mathjs

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Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. --> # Function sec Calculate the secant of a value, defined as `sec(x) = 1/cos(x)`. For matrices, the function is evaluated element wise. ## Syntax ```js math.sec(x) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `x` | number &#124; Complex &#124; Unit &#124; Array &#124; Matrix | Function input ### Returns Type | Description ---- | ----------- number &#124; Complex &#124; Array &#124; Matrix | Secant of x ## Examples ```js math.sec(2) // returns number -2.4029979617223822 1 / math.cos(2) // returns number -2.4029979617223822 ``` ## See also [cos](cos.md), [csc](csc.md), [cot](cot.md)