What is a rectangular hyperbola?
In mathematics a hyperbola is a smooth planar curve having two connected components or branches, each a mirror image of the other and resembling two infinite bows aimed at each other.[clarification needed] The hyperbola is traditionally described as one of the kinds of conic section or intersection of a plane and a cone, namely when the plane makes a smaller angle with the axis of the cone than does the cone itself (Figure 1), the other kinds being the parabola and the ellipse (including the circle). See link for the image.
