Directions:[br][br][list=1][*]Move the [math]\theta[/math] slider anywhere you'd like. [/*][*]Press [b]ANIMATE[/b]. [/*][*]Press [b][color=#0000ff]RECORD TRACE[/color][/b]. [/*][*]Use the [b]POINT [icon]/images/ggb/toolbar/mode_point.png[/icon]tool to plot a point at the tip of the arrow. [/b][/*][*]Repeat steps (1) - (4) numerous times, making sure to move the [math]\theta[/math] slider to a new location before doing so. [br][/*][/list]