From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Tue, 2 Feb 1999 10:53:20 +0000 (+0000)
Subject: Update Trig.pm from maint-5.005.
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2d06e7d7c9e4b70e32f2d5dad2fa2fd30f810ebf;p=p5sagit%2Fp5-mst-13.2.git

Update Trig.pm from maint-5.005.

p4raw-id: //depot/cfgperl@2759
---

diff --git a/lib/Math/Trig.pm b/lib/Math/Trig.pm
index b021739..924286d 100644
--- a/lib/Math/Trig.pm
+++ b/lib/Math/Trig.pm
@@ -385,11 +385,12 @@ defaults to radians.
 
 If you think geographically the I<theta> are longitudes: zero at the
 Greenwhich meridian, eastward positive, westward negative--and the
-I<phi> are latitudes: zero at North Pole, northward positive,
+I<phi> are latitudes: zero at the North Pole, northward positive,
 southward negative.  B<NOTE>: this formula thinks in mathematics, not
-geographically: the I<phi> zero is at the Nort Pole, not on the
-west coast of Africa (Bay of Guinea).  You need to subtract your
-geographical coordinates from I<pi/2> (also known as 90 degrees).
+geographically: the I<phi> zero is at the North Pole, not at the
+Equator on the west coast of Africa (Bay of Guinea).  You need to
+subtract your geographical coordinates from I<pi/2> (also known as 90
+degrees).
 
   $distance = great_circle_distance($lon0, pi/2 - $lat0,
                                     $lon1, pi/2 - $lat1, $rho);