On 3/27/12 9:38 AM, Robert Samal wrote:
Hi,
I'm sorry if this is covered somewhere in the documentation -- but I'm
puzzled by the following behaviour of solve:
sage: solve(sin(x)/cos(x)==1,x)
[sin(x) == cos(x)]
sage: solve(tan(x)==1,x)
[x == 1/4*pi]
I would assume these two equation are equivalent, but evidently sage
disagrees. Who is right? :-)
What can I do to get the solution automatically, without substituting
tan manually?
How about
solve(sin(x)/cos(x)==1,x,to_poly_solve=True)
http://aleph.sagemath.org/?z=eJwrzs8pS9UozszTqNDUT84vBlK2toY6FTol-fEF-TmV8cUgBbYhRaWpmgBdMw-x
That gives the general solution, if the z... variable is an integer.
Jason
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