The+radius+of+curvature+at+the+poin t+on+a+curve+C+is+given+by+p=(e^2h+ 1)÷e^h where h is the angle the tangent to C makes with the positive x axis. If s is the length of the arc measured from the fixed point and s =π when h= 0,find and intrinsic equation for C in the form s=f(h).