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 | 1 | initial version |
Maxima behaves better:
sage: maxima('f(x):=tan(x)^2-tan(x)')
sage: maxima('f(%pi/2)')
....
....
....
Maxima ERROR:
tan: %pi/2 isn't in the domain of tan.
# the same error messages in:
sage: maxima('f(x):=tan(x)*(tan(x)-1)')
sage: maxima('f(%pi/2)')
sage: maxima('tan(%pi/2)^2-tan(%pi/2)')
