C-09-Q104mediumsingle_mcqcotA+tanBcotB+tanA=?\dfrac{\cot A + \tan B}{\cot B + \tan A} = ?cotB+tanAcotA+tanB=?acotA⋅tanB\cot A \cdot \tan BcotA⋅tanBbtanA⋅cotB\tan A \cdot \cot BtanA⋅cotB