Re: Azimuth in Mathematica

• To: mathgroup at smc.vnet.net
• Subject: [mg95103] Re: Azimuth in Mathematica
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Tue, 6 Jan 2009 04:13:11 -0500 (EST)
• Organization: Uni Leipzig
• References: <gjsgb6\$k2l\$1@smc.vnet.net>

```Hi,

I was always wondering why ArcTan[] alow one and two arguments, i.e.,
ArcTan[x] and ArcTan[x,y] (x, and y in *that* order)

Regards
Jens

TL wrote:
> Is there a function in Mathematica that would return the azimuth between
> two points with known coordinates, 0 being North?
> For example having A(0,0), B(1,0) - the azimuth should be 90 degrees
> its like ArcTan[dx/dy], but I need the quadrant taken into account as
> well and I need it to handle 90 and 270 degrees properly too
>
> /it doesn't need to convert the angles to degrees, rads is ok/
>

```

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