philip Sat Jun 1 21:17:15 2002 EDT
Modified files:
/phpdoc/en/reference/math/functions sin.xml
Log:
Clarify the description, include an example, and See also: deg2rad().
Index: phpdoc/en/reference/math/functions/sin.xml
diff -u phpdoc/en/reference/math/functions/sin.xml:1.2
phpdoc/en/reference/math/functions/sin.xml:1.3
--- phpdoc/en/reference/math/functions/sin.xml:1.2 Wed Apr 17 02:39:55 2002
+++ phpdoc/en/reference/math/functions/sin.xml Sat Jun 1 21:17:15 2002
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
<!-- splitted from ./en/functions/math.xml, last change in rev 1.2 -->
<refentry id="function.sin">
<refnamediv>
@@ -13,10 +13,27 @@
<methodparam><type>float</type><parameter>arg</parameter></methodparam>
</methodsynopsis>
<para>
- Returns the sine of arg in radians.
+ <function>sin</function> returns the sine of the <parameter>arg</parameter>
+ parameter. The <parameter>arg</parameter> parameter is in radians.
</para>
<para>
- See also <function>cos</function> and <function>tan</function>.
+ <informalexample>
+ <programlisting>
+<![CDATA[
+<?php
+
+// Precision depends on your precision directive
+print sin(deg2rad(60)); // 0.866025403 ...
+print sin(60); // -0.304810621 ...
+
+?>
+]]>
+ </programlisting>
+ </informalexample>
+ </para>
+ <para>
+ See also <function>cos</function>, <function>tan</function>
+ and <function>deg2rad</function>.
</para>
</refsect1>
</refentry>