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how to do inverse of cos

 Dec 19, 2014

Best Answer 

 #1
avatar+118587 
+5

arc cos is the same as inverse cos

so just hit [2nd][acos]

 Dec 19, 2014
 #1
avatar+118587 
+5
Best Answer

arc cos is the same as inverse cos

so just hit [2nd][acos]

Melody Dec 19, 2014

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