Date: Feb 28, 2009 11:39 PM
Subject: Re: Historyu of the integral of secant

On Feb 28, 4:48 am, "Stephen J. Herschkorn" <>
> What is the history of the trick to find the indefinite inteegral of the
> secant function?  Who first used it, and when?
> --
> Stephen J. Herschkorn              
> Math Tutor on the Internet and in Central New Jersey

There's an article on this topic at: