Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3706 by [email protected]: Hyperexpand of tan
http://code.google.com/p/sympy/issues/detail?id=3706
We can not simplify the formula for tan(z):
In [47]: 8*z/(pi**2-4*z**2) * hyper([1, S.Half-z/pi, S.Half+z/pi],
[3*S.Half-z/pi, 3*S.Half+z/pi], 1)
Out[47]: 8*z*hyper((1, -z/pi + 1/2, z/pi + 1/2), (-z/pi + 3/2, z/pi + 3/2),
1)/(-4*z**2 + pi**2)
In [48]: hyperexpand(_)
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
[...]
ValueError: too many values to unpack
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