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

Export assignment tan

• tan(x: number): number

• Evaluates the tangent of a number.

  Parameters

  • x: number

    input value (in radians)

  Returns number

  tangent

  Example

  var v = tan( 0.0 );
  // returns ~0.0

  Example

  var v = tan( -3.141592653589793/4.0 );
  // returns ~-1.0

  Example

  var v = tan( 3.141592653589793/4.0 );
  // returns ~1.0

  Example

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