sec.md (821B)
1 <!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. --> 2 3 # Function sec 4 5 Calculate the secant of a value, defined as `sec(x) = 1/cos(x)`. 6 7 For matrices, the function is evaluated element wise. 8 9 10 ## Syntax 11 12 ```js 13 math.sec(x) 14 ``` 15 16 ### Parameters 17 18 Parameter | Type | Description 19 --------- | ---- | ----------- 20 `x` | number | Complex | Unit | Array | Matrix | Function input 21 22 ### Returns 23 24 Type | Description 25 ---- | ----------- 26 number | Complex | Array | Matrix | Secant of x 27 28 29 ### Throws 30 31 Type | Description 32 ---- | ----------- 33 34 35 ## Examples 36 37 ```js 38 math.sec(2) // returns number -2.4029979617223822 39 1 / math.cos(2) // returns number -2.4029979617223822 40 ``` 41 42 43 ## See also 44 45 [cos](cos.md), 46 [csc](csc.md), 47 [cot](cot.md)