Originally Posted by

**ticbol** Okay, let's prolong this a bit.

I did not say everything in my first reply to you, but the two curves,

y = sin(x) ---------------a sine curve of amplitude 1.0

and y = (2 / 5pi)x --------a straight line with positive slope,

may not have seven intersection points.

In fact, I guess there could only be one intersection point.

Is that the graph of the y = sin(x) shown in your post? It's neutral axis is sloping downwards?

If so, then, it is not okay.

A sin curve, the basic one, has horizontal neutral axis.