[seqfan] were there errors in cosec back in 1996 ?

N. J. A. Sloane njas at research.att.com
Sat Dec 17 20:44:54 CET 2011

Dear Seq Fans, Still trying to guess what went wrong
with Patrick Demichel's sequences - one possibility is that
there were errors in Maple (or Mathematica) in the
cosec and other trig and inverse trig functions
back in 1996. That is, if one did
in Maple back in 1996, one got an incorrect answer.
Not very likely, of course, but not
impossible. Does anyone remember?

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