Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 2969 by [email protected]: sqrt(sin(x)).series(x, 0, 7) is wrong
http://code.google.com/p/sympy/issues/detail?id=2969

The last order in the following series expansions are wrong
using the last version of the master branch

```
from sympy import *
x = Symbol('x')
sqrt(sin(x)).series(x, 0, 7)
sqrt(x) - x**(5/2)/12 + x**(9/2)/1440 + x**(13/2)/17280 + O(x**7)
sqrt(sin(x)).series(x, 0, 9)
sqrt(x) - x**(5/2)/12 + x**(9/2)/1440 - x**(13/2)/24192 - 107*x**(17/2)/29030400 + O(x**9)
```


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