Difference between revisions of "LlAcos"

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|p1_type=float|p1_name=val|p1_desc=must fall in the range {{Interval|gte=-1.0|center=val|lte=1.0}}
|p1_type=float|p1_name=val|p1_desc=must fall in the range {{Interval|gte=-1.0|center=val|lte=1.0}}
|p1_hover=must fall in the range {{Interval/Text2|gte=-1.0|center=val|lte=1.0}}
|p1_hover=must fall in the range {{Interval/Text2|gte=-1.0|center=val|lte=1.0}}
|return_text=that is the arccosine in radians of '''{{LSL Param|val}}'''
|return_text=that is the arccosine in radians of {{LSLP|val}}
|func_footnote=The returned value is in the range {{Interval|gte=0.0|center=return|lte=[[PI]]|lteh=PI}}{{Interval/Footnote}}
|func_footnote=The returned value is in the range {{Interval|gte=0.0|center=return|lte=[[PI]]|lteh=PI}}{{Interval/Footnote}}
|spec
|spec

Revision as of 22:02, 6 June 2012

Summary

Function: float llAcos( float val );

Returns a float that is the arccosine in radians of val

• float val must fall in the range [-1.0, 1.0]

The returned value is in the range [0.0, PI][1]

Examples

<lsl>// Touch the object with this script in it to see the arccosine of random numbers! default {

   touch_start(integer num)
   {
       float r = llFrand(2) - 1.0;
       llOwnerSay("The arccosine of " + (string)r + " is " + (string)llAcos(r));
   }
}</lsl>

See Also

Functions

• llSin llAsin sine & inverse Sine
• llCos cosine
• llTan llAtan2 tangent & inverse tangent

Articles

•  "Wikipedia logo"Inverse trigonometric function

Deep Notes

Search JIRA for related Issues

Footnotes

  1. ^ The ranges in this article are written in Interval Notation.

Signature

function float llAcos( float val );