Updates:
Labels: NeedsReview smichr
Comment #6 on issue 1230 by smi...@gmail.com: limit((tan x)**(tan 2x), x,
pi/4) doesnt work
http://code.google.com/p/sympy/issues/detail?id=1230
tan(x) at pi/2 has to be re-written in terms of sin and cos in order to
generate the series. After doing this,
h[1] >>> limit(tan(x)**tan(2*x), x, pi/4)
exp(-1)
Please review commit 1230 in [ https://github.com/sympy/sympy/pull/61 ];
I'm not sure if a standard rewrite for all series or just a rewrite if the
argument is a multiple of pi/2. The simplest is what I did: always re-write
tan (and cot) in terms of cos and sin.
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