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how do i get tan-1

 Jun 20, 2014

Best Answer 

 #1
avatar+118735 
+5

inverse tan is the same as arc tan

so just press 2nd then atan

 Jun 20, 2014
 #1
avatar+118735 
+5
Best Answer

inverse tan is the same as arc tan

so just press 2nd then atan

Melody Jun 20, 2014

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