C-09-Q112mediumsingle_mcqIf xy=7−43\dfrac{x}{y} = 7 - 4\sqrt{3}yx=7−43, where x=cosecA−cotAx = \operatorname{cosec} A - \cot Ax=cosecA−cotA, y=cosecA+cotAy = \operatorname{cosec} A + \cot Ay=cosecA+cotA, then A=?A = ?A=?a30∘30^\circ30∘b45∘45^\circ45∘c