Detailed description

Y= sin x, x axis intersections at (-4 pi,0), (-3 pi,0), (-2 pi,0), (- pi,0), (0,0), (1 pi,0), (2 pi,0), (3 pi,0), (4 pi,0), intercepting y axis at (0,0), range of graph from y = 1 to y = -1.