Mercurial > octave-nkf

diff doc/interpreter/arith.texi @ 3273:eb27ea9b7ff8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 1999-10-12 02:22:25 by jwe]
author jwe
date Tue, 12 Oct 1999 02:27:27 +0000
parents a494f93e60ff
children
line wrap: on
line diff
--- a/doc/interpreter/arith.texi	Tue Oct 12 02:19:17 1999 +0000
+++ b/doc/interpreter/arith.texi	Tue Oct 12 02:27:27 1999 +0000
@@ -300,7 +300,17 @@
 @node Trigonometry, Sums and Products, Complex Arithmetic, Arithmetic
 @section Trigonometry
 
-Octave provides the following trigonometric functions:
+Octave provides the following trigonometric functions.  Angles are
+specified in radians.  To convert from degrees to radians multipy by
+@iftex
+@tex
+$\pi/180$
+@end tex
+@end iftex
+@ifinfo
+@code{pi/180}
+@end ifinfo
+ (e.g. @code{sin (30 * pi/180)} returns the sine of 30 degrees).
 
 @deftypefn {Mapping Function} {} sin (@var{z})
 @deftypefnx {Mapping Function} {} cos (@var{z})