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Grade: 11 

                        
(b^2-c^2)/cos b+cos c+(c^2-a^2)/cos c+cos a+(a^2-b^2)/cos a+cos b=0
2 years ago

Answers : (1)

Deepak Kumar Shringi
askIITians Faculty
4402 Points 
							562-1782_Capture.PNG
2 years ago
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