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what is the cos -1 of 1728

 Apr 16, 2015

Best Answer 

 #1
avatar+118723 
+5

That has no solutions   the number must be between   -1 and  1  

 Apr 17, 2015
 #1
avatar+118723 
+5
Best Answer

That has no solutions   the number must be between   -1 and  1  

Melody Apr 17, 2015

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