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? 

Thanks, 
 Robert Samal


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