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Re: Re: Good idea to use ArcTan[x,y] in Solve, Integrate etc?
Jens-Peer Kuska wrote: > Hi, > > a potential division by 0 in ArcTan[y/x] ? > > Regards > Jens > > Frank Iannarilli wrote: > > > > Hi, > > > > Is there any wisdom on whether one should employ or avoid the > > 2-argument form of ArcTan, versus ArcTan[y/x], in expressions > > involving Solve and Integrate? > > > > Is there any harm? Is there any benefit? > > > > Thanks! The 2-argument form provides a bit more information since it takes the signs of x and y into account and allows x to be zero. I imagine this could be helpful when used with Solve, but I don't know about Integrate. David