Acos

Return the arccosine of the parameter

Declaration

float acos(float x)  
vec2 acos(vec2 x)  
vec3 acos(vec3 x)  
vec4 acos(vec4 x)

Parameters

x specify the value whose arccosine to return.

Description

acos() returns the angle whose trigonometric cosine is x.

See Also

cos(), sin(), asin(), tan(), atan(), Chapter 05: Shaping Functions