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<title>ASIN</title>
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         <td valign="top" class="name">ASIN</td>
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    <td valign="top" colspan="2" class="description"><span class="title">Description</span>
<p>
Determines the arcsine of a number. The arcsine is the angle whose sine is <i>number</i>.
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    <td valign="top" colspan="2" class="description"><span class="title">Returns</span>
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The arcsine, in radians, of a number.
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    <td valign="top" colspan="2" class="description"><span class="title">Category</span>
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Mathematical functions
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    <td valign="top" colspan="2" class="description"><span class="title">Function syntax</span><pre>ASin(number)
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    <td valign="top" colspan="2" class="description"><span class="title">See also</span>
<p>
Sin, Cos, ACos, Tan, Atn, Pi
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    <td valign="top" colspan="2" class="description"><span class="title">Parameters</span>
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    <td valign="top" colspan="2" class="description"><span class="title">Usage</span>
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The range of the result is -<font face="Symbol">p</font>/2 to <font face="Symbol">p</font>/2 radians. To convert degrees to radians, multiply degrees by <font face="Symbol">p</font>/180. To convert radians to degrees, multiply radians by 180/<font face="Symbol">p</font>.
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    <td valign="top" colspan="2" class="description"><span class="title">Example</span><pre>&lt;h3&gt;ASin Example&lt;/h3&gt;
&lt;!--- output its arcsine value ---&gt;
&lt;cfif IsDefined(&quot;FORM.SinNum&quot;)&gt;
   &lt;cfif IsNumeric(FORM.SinNum)&gt;
      &lt;cfif FORM.SinNum LESS THAN OR EQUAL TO 1&gt;
         &lt;cfif FORM.SinNum GREATER THAN OR EQUAL TO -1&gt;
            ASin(&lt;cfoutput&gt;#FORM.SinNum#&lt;/cfoutput&gt;) = 
             &lt;cfoutput&gt;#ASin(FORM.sinNum)# Radians&lt;/cfoutput&gt;
             &lt;br&gt; or &lt;br&gt;ASin(&lt;cfoutput&gt;#FORM.SinNum#&lt;/cfoutput&gt;) = 
            &lt;cfoutput&gt;
               #ASin(FORM.sinNum) * 180/Pi()# Degrees
            &lt;/cfoutput&gt;
         &lt;cfelse&gt;
&lt;!--- if it is less than negative one, output an error message ---&gt;
            &lt;h4&gt;Enter the sine of the angle to calculate, in degrees and radians. 
            The value must be between 1 and -1, inclusive.&lt;/h4&gt;
         &lt;/cfif&gt;
      &lt;cfelse&gt;
&lt;!--- if it is greater than one, output an error message ---&gt;
      &lt;h4&gt;Enter the sine of the angle to calculate, in degrees and radians. The
value must be between 1 and -1, inclusive.&lt;/h4&gt;
      &lt;/cfif&gt;      
   &lt;cfelse&gt;
&lt;!--- if it is empty, output an error message ---&gt;
      &lt;h4&gt;Enter the sine of the angle to calculate, in degrees and radians. The
value must be between 1 and -1,inclusive.&lt;/h4&gt;
   &lt;/cfif&gt;   
&lt;/cfif&gt;
&lt;form action = &quot;./evaltest.cfm&quot; method=&quot;post&quot;&gt;
&lt;p&gt;Enter a number to get its arcsine in Radians and Degrees.
&lt;br&gt;&lt;input type = &quot;Text&quot; name = &quot;SinNum&quot; size = &quot;25&quot;&gt;
&lt;p&gt;&lt;input type = &quot;Submit&quot; name = &quot;&quot;&gt; &lt;input type = &quot;RESET&quot;&gt;
&lt;/form&gt;
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<td valign="top" class="name">NUMBER</td>
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<p>Sine of an angle. The value must be between -1 and 1, inclusive.</p>

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