Let's Start off Right - I got a D in Trig. So I might say some math stuff, but don't worry, even if I do say something that you might not have thought of or might not have been taught yet, with little or no effort you'll have it.

Does everyone know what the sine function is? If not, just know this, if you were to draw the top of water in a cartoon, that up and down movement is a well known mathmatical graph. You can easily adjust the graph with simple mathmatical manipulation.