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From: wolit@rabbit.UUCP (Jan Wolitzky)
Newsgroups: net.puzzle
Subject: Re: average wind direction
Message-ID: <2977@rabbit.UUCP>
Date: Mon, 16-Jul-84 09:35:23 EDT
Article-I.D.: rabbit.2977
Posted: Mon Jul 16 09:35:23 1984
Date-Received: Tue, 17-Jul-84 01:20:55 EDT
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 9

If you want to average a series of angular measurements, just keep
separate averages of the sines and cosines of the angles.  The average
angle is the arctangent of the quotient of the average sine and the
average cosine.

[This question is not really a puzzle, and should have been posted to
net.math]

	Jan Wolitzky, AT&T Bell Labs, Murray Hill, NJ