I am trying to experiment with Tweens and Easing Types in ActionScript 3.0, Adobe Flash CS4. help

Question

I am using ActionScript 3.0, Adobe Flash CS4 software
I have created Tweens for some MovieClip properties and experimented with some of the easing types.
This is what I have managed to create and works okay!
grow_btn.addEventListener(MouseEvent.CLICK, grow);
shrink_btn.addEventListener(MouseEvent.CLICK, shrink);
rotate_btn.addEventListener(MouseEvent.CLICK, rotate);
hide_btn.addEventListener(MouseEvent.CLICK, hideClip);
show_btn.addEventListener(MouseEvent.CLICK, showClip);
fadeOut_btn.addEventListener(MouseEvent.CLICK, fadeOut);
fadeIn_btn.addEventListener(MouseEvent.CLICK,fadeIn);
function grow(e:MouseEvent):void {
                var scale1:Tween = new Tween(instrument, "scaleX", Back.easeIn, 0, 1, 3, true);
                var scale2:Tween = new Tween(instrument, "scaleY", Back.easeIn, 0, 1, 3, true);
function shrink(e:MouseEvent):void {
var oneSmall:Tween = new Tween(instrument, "scaleX", Back.easeInOut, 0, -.2, 3, true);
var twoSmall: Tween = new Tween(instrument, "scaleY", Back.easeInOut, 0, -.2, 3, true);
function rotate(e:MouseEvent):void {
var spin:Tween = new Tween(instrument, "rotation", Elastic.easeOut, 0, 360, 5, true)
function hideClip(e:MouseEvent):void {
instrument.visible = false;
function showClip(e:MouseEvent):void {
instrument.visible = true;
function fadeOut(e:MouseEvent):void {
var tweenfadeOut:Tween = new Tween(instrument, "alpha", None.easeOut, 1, -.1, 3, true);
function fadeIn(e:MouseEvent):void {
var tweenfadeIn:Tween = new Tween(instrument, "alpha", None.easeIn, 0, 1, 3, true);
I am having trouble creating Tweens and add easing types for the action script below!
I keep getting error message (“Access of undefined property Sine”) for example when I type
function hideClip(e:MouseEvent):void {
var noClip:Tween = new Tween(instrument, "visible", Sine.easeOut, 0, 1, 3, true);
Can anyone help???? The original script is below
hide_btn.addEventListener(MouseEvent.CLICK, hideClip);
show_btn.addEventListener(MouseEvent.CLICK, showClip);
function hideClip(e:MouseEvent):void {
instrument.visible = false;
function showClip(e:MouseEvent):void {
instrument.visible = true;

Answer 1

make sure you have imported the Sine class
import fl.motion.Sine;