IN `triangleABC, (cosC+cosA)/(c+a)+(cosB)/(b)=`A. `(1)/(a)`B. `(1)/(b) – InterviewSolution

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1.	IN `triangleABC, (cosC+cosA)/(c+a)+(cosB)/(b)=`A. `(1)/(a)`B. `(1)/(b)`C. `(1)/(c)`D. `(a+b)/(b)`
Answer» Correct Answer - B

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