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