External module "math/base/special/acos/docs/types/index.d"

Export assignment acos

• acos(x: number): number

• Computes the arccosine of a number.

  Parameters

  • x: number

    input value

  Returns number

  arccosine (in radians)

  Example

  var v = acos( 1.0 );
  // returns 0.0

  Example

  var v = acos( 0.707 ); // ~pi/4
  // returns ~0.7855

  Example

  var v = acos( NaN );
  // returns NaN