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<B>JACOBICS</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>Jacobics</em> operator returns the Jacobi Elliptic function cs. 
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syntax: </H3>
<em>Jacobics</em>(&lt;expression&gt;,&lt;integer&gt;) 
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examples: </H3>
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Jacobics(0, 0.767) 

  infinity   


Jacobics(1.43, 0) 

  0.141734127352112 

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