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Re: Handling branch cuts in trig functions
Posted:
Mar 24, 2013 7:26 AM


In article <kimdsn$lj3$1@speranza.aioe.org>, Nasser M. Abbasi <nma@12000.org> wrote:
> > I think now that answer to sqrt(sec(x)^2) should be > sec(x) without need to give the branch.
That answer is incorrect for complex x ... so to get that answer in Maple, you must assume x is real.
simplify(%) assuming x::real;
 G. A. Edgar http://www.math.ohiostate.edu/~edgar/



