Exelethril
The process of actually drawing a secant line is fairly simple with pencil and paper. But now consider the problem of drawing a tangent to a curve at a specified point x = a. A tangent line, by definition only touches the curve at the particular point itself, and drawing such a line on paper accurately is quite di¤icult! You might first start by lying your straight edge at a sec
19 Oct 2009 - 0:54