!! used as default html header if there is none in the selected theme.
This is a graphic exercise: it presents to you the graph of a sinusoidal function (either under the form of Acos(x+B) or under the form of Acos(x)+Bsin(x)), and asks you to find back this function.You can make several tries, each try giving you a graphical comparison between your reply and the given graph, allowing you to improve your reply.
At the end of the tries, you will be given a score according the the deviation of your best try. And the following configuration parameters allow variation of the style and the difficulty level of the exercise.
Please take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.