Name

acos — return the arccosine of the parameter

Declaration

genType acos(genType x);
 

Parameters

x

Specify the value whose arccosine to return.

Description

atan returns the angle whose trigonometric cosine is x. The range of values returned by acos is 0 . The result is undefined if x1.

Version Support

OpenGL ES Shading Language Version
Function Name 1.00 3.00
acos✔✔

See Also

sin, cos, tan, asin, atan

Copyright

Copyright © 2011-2013 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999.