Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 2948 by [email protected]: solve cannot handle polynomials of
functions
http://code.google.com/p/sympy/issues/detail?id=2948
Trying to solve equations containing polynomials of trig functions does not
work.
ex:
solve(sin(x)**2-S(1)/2,x)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python27\lib\site-packages\sympy\solvers\solvers.py", line 484,
in solve
solution = _solve(f, *symbols, **flags)
File "C:\Python27\lib\site-packages\sympy\solvers\solvers.py", line 700,
in _solve
soln = tsolve(f_num, symbol)
File "C:\Python27\lib\site-packages\sympy\solvers\solvers.py", line 1162,
in tsolve
raise NotImplementedError("Unable to solve the equation.")
NotImplementedError: Unable to solve the equation.
asin(sqrt(S(1)/2))
pi/4
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