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Class 11-RD SHARMA-Chapter 7-If sinB=3sin(2A+B), prove 2tan A+ tan (A+B)=0
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Class 11-RD SHARMA-Chapter 7-If sinB=3sin(2A+B), prove 2tan A+ tan (A+B)=0
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Class 11-RD SHARMA-Chapter 7-If sinB=3sin(2A+B), prove 2tan A+ tan (A+B)=0
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