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If 2tan(A-B)=cotB then the value ofcotB+tanB |
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Answer» tan A is the answer . Step-by-step explanation: we know , tan ( A - B ) = (tan A - tan B) / ( 1 + TANA tanB ) now , using this FORMULA , we have , 2 [ tan A - tan B ] / 1 + tanA tanB = COT B => 2 { tan A - tan B } = cot B ( 1 + tan A tan B ) => 2 tan A - 2tan B = cotB + tan A (tanB × cotB) => 2 tan A - 2 tan B = cot B + tan A (1) => 2 tan A - tan A = cot B + 2 tan B => tan A = cot B + 2 tan B |
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