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how do i get cos -1 on the calc?

 Mar 26, 2015

Best Answer 

 #1
avatar+118608 
+5

[2nd] [acos]

arc cos is the same as inverse cos

 Mar 26, 2015
 #1
avatar+118608 
+5
Best Answer

[2nd] [acos]

arc cos is the same as inverse cos

Melody Mar 26, 2015

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