Anderson Brasil da Silva wrote: > > Let y=sin(x), y'=x e x'=-x. In relation to these new axis x' e y', > what's the formula of this sine function? I could to express the > function in a proper form of a very large limit, but I would like to > know if it's elemental. > Thanks in advance, and excuse me the mistakes in the english. > > Anderson Brasil > firstname.lastname@example.org
It looks as if your new axes do not involve the original y (the "sin(x)") at all.
If you meant to exchange axes (y' = x, x' = -y), then (within limits) you probably want the inverse sine (arc-sine) function.