Minimum

Find the minimum of   

in the range for 0 < x < π

 

 

The graph of the equation is shown at the right.   There are two minumum points in the interval.   

 

HINT:   Divide both terms of the numerator and the denominator by 

x sin x   

to rewrite the equation.  Then, use the AM-GM inequality.

 

 

 

 

 

 

 

 

 

 


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