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<A NAME=ACOT>

<TITLE>ACOT</TITLE></A>
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<B>ACOT</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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<em>acot</em>represents the arccotangent of its argument. It takes 
an arbitrary scalar expression as its argument. The derivative of 
<em>acot</em> is known to the system. Numerical values may also be found by 
turning on the switch 
<A HREF=r37_0330.html>rounded</A>. 
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syntax: </H3>
<em>acot</em>(&lt;expression&gt;) or <em>acot</em> &lt;simple\_expression&gt; 
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&lt;expression&gt; may be any scalar REDUCE expression, not an array, matrix or 

vector expression. &lt;simple\_expression&gt; must be a single identifier or 
begin with a prefix operator name. 
You can add functionality yourself with <em>let</em> and procedures. 
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