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[(2)In2/ABC" .right angled at "B" ."],["...

[(2)In2/_ABC" .right angled at "B" ."],[" the ratio of "AB" to "AC" is "1:sqrt(2)" .find "],[" the values of "],[[" (i) "(2tan Lambda)/(1+tan^(2)A)," (ii) "(2tan A)/(1-tan^(2)A)],[," (I) "]]

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