Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 1574 by [email protected]: missing trig identity
http://code.google.com/p/sympy/issues/detail?id=1574
SymPy doesn't seem to know about the following fundamental trigonometric
identity:
In [3]: x=Symbol('x')
In [4]: sin(x)**2+cos(x)**2
Out[4]: cos(x)**2 + sin(x)**2
In [5]: simplify(sin(x)**2+cos(x)**2)
Out[5]: cos(x)**2 + sin(x)**2
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