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

Export assignment avercos

• avercos(x: number): number

• Computes the inverse versed cosine.

  Parameters

  • x: number

    input value

  Returns number

  inverse versed cosine

  Example

  var v = avercos( 0.0 );
  // returns 0.0

  Example

  var v = avercos( -3.141592653589793/2.0 );
  // returns ~2.1783

  Example

  var v = avercos( -3.141592653589793/6.0 );
  // returns ~1.0742

  Example

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