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How do I do cos with a negative one exponent?

 Apr 3, 2015

Best Answer 

 #1
avatar+118724 
+5

Inverse cos is the same as arc cos

so use acos

 Apr 3, 2015
 #1
avatar+118724 
+5
Best Answer

Inverse cos is the same as arc cos

so use acos

Melody Apr 3, 2015

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