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Nirabhra Agrawal Grade: 12
        

in a triangle abc, if cos^A/2 + Cos^B/2 +Cos^C/2 = y(x^2 + 1/x^2) then maximum value of y is 

6 years ago

Answers : (2)

jagdish singh singh
168 Points
										

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6 years ago
SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,



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x2+1/x2>2


So the maximum value of y is 9/8.







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6 years ago
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