Area could be described as the number of of a particular size that fit within the perimeter of a two dimensional figure

Area could be described as the number of squares of a particular size that fit within the perimeter of a two dimensional figure.

To Graph this sine function, you need to identify the amplitude and horizontal shift. For this sin function 1/2 is the amplitude, to mark that. And Pi/4 is your horizontal shift. A tool to help you Graph this function is Desmos. https://www.desmos.com/calculator/2qr7daajad