29 Sep
2014
29 Sep
'14
12:26 p.m.
From: James Buddenhagen <jbuddenh@gmail.com> Subject: Re: [math-fun] FullSimplify embarrassment contest ... However my old maple 7 outputs 0 for simplify(arccos(-(7/9)) - 2*arcsec(3));
Concurrent Maple 18 needs conversion to arctan, then simplify works to give 0.