P is essentially tracing out the path of the cosecant of theta. This can be adjusted as per the teacher's desire by changing the equation for[b] line f.[/b] P is constructed by finding the intersection between [b][i]line h: x = theta [/i][/b] and [i][b]line g: y = csc(theta) [/b][/i]
There are also several lines and other information included but currently hidden that could be useful with other goals such as showing how similar triangles can be used to relate secant & cosine, for example.