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

Export assignment cos

• cos(x: number): number

• Computes the cosine of a number.

  Parameters

  • x: number

    input value (in radians)

  Returns number

  cosine

  Example

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

  Example

  var v = cos( 3.141592653589793/4.0 );
  // returns ~0.707

  Example

  var v = cos( -3.141592653589793/6.0 );
  // returns ~0.866

  Example

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