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how to do cos-1

 May 16, 2015

Best Answer 

 #1
avatar+223 
+5

Use the 2nd button in the upper left corner. Then tap acos

acos=cos^-1

 May 16, 2015
 #1
avatar+223 
+5
Best Answer

Use the 2nd button in the upper left corner. Then tap acos

acos=cos^-1

Headingnorth May 16, 2015

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