hi guys,
im a little stuck at the moment trying to answer the follwing calculus question, can anyone help me please.
if x=a(theta-sintheta), y=a(theta+sintheta), find dy/dx and d^2y/dx^2 at the point where theta=pi/2.
and given that dy.dx=(dx/dy)^-1, find a fomula for d^2x/dy^2 in terms...