* Parse an unparse type decls (and refactor impl attributes slightly) Signed-off-by: Nick Cameron <nrc@ncameron.org> * Remove special treatment of geometric types from parser and executor Signed-off-by: Nick Cameron <nrc@ncameron.org> * Generate docs for std types Signed-off-by: Nick Cameron <nrc@ncameron.org> * Hover tool-tips for types and fixup the frontend Signed-off-by: Nick Cameron <nrc@ncameron.org> * Fixes Signed-off-by: Nick Cameron <nrc@ncameron.org> --------- Signed-off-by: Nick Cameron <nrc@ncameron.org>
		
			
				
	
	
		
			50 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			74 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
---
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title: "acos"
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excerpt: "Compute the arccosine of a number (in radians)."
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layout: manual
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---
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Compute the arccosine of a number (in radians).
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```js
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acos(num: number): number
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```
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### Tags
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* `math`
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### Arguments
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| Name | Type | Description | Required |
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|----------|------|-------------|----------|
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| `num` | [`number`](/docs/kcl/types/number) |  | Yes |
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### Returns
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[`number`](/docs/kcl/types/number)
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### Examples
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```js
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sketch001 = startSketchOn('XZ')
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  |> startProfileAt([0, 0], %)
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  |> angledLine({
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       angle = toDegrees(acos(0.5)),
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       length = 10
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     }, %)
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  |> line(end = [5, 0])
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  |> line(endAbsolute = [12, 0])
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  |> close()
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extrude001 = extrude(sketch001, length = 5)
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```
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