`lnDeltaA B C , b^2cos2A-a^2cos2B=`A. `0`B. `a^(2)+b^(2)`C. `a^(2)-b^( – InterviewSolution

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1.	`lnDeltaA B C , b^2cos2A-a^2cos2B=`A. `0`B. `a^(2)+b^(2)`C. `a^(2)-b^(2)`D. `b^(2)-a^(2)`
Answer» Correct Answer - D

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