By turning this page into GeoGebra Classroom activity, you may invite your students to modify and share their wavy functions.[br][br]Note that although k is shown as an angle in degree, it is evaluated as a value in radian inside the function shown below. Reformat the slider as radian if needed.

Use the slider to show how you see a stormy sea.

You may modify the function in the box to show a different stormy sea.