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21 lines
549 B
Markdown
21 lines
549 B
Markdown
## Asin
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Return the arcsine of the parameter
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### Declaration
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```glsl
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float asin(float x)
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vec2 asin(vec2 x)
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vec3 asin(vec3 x)
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vec4 asin(vec4 x)
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```
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### Parameters
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```x``` specify the value whose arcsine to return.
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### Description
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```asin()``` returns the angle whose trigonometric sine is ```x```.
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<div class="simpleFunction" data="y = asin(x); "></div>
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### See Also
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[cos](index.html#cos.md), [sin](index.html#sin.md), [acos](index.html#acos.md), [tan](index.html#tan.md), [atan](index.html#atan.md), [Chapter 05: Shaping Functions](../05/) |