If `3x="cosec" alpha and (3)/(x)=cot alpha`, then the value of  `3(x^(2)-(1)/(x^(2)))` is

If `3x="cosec" alpha and (3)/(x)=cot alpha`, then the value of `3(x^(2)-(1)/(x^(2)))` is

If `3x="cosec" alpha and (3)/(x)=cot alpha`, then the value of `3(x^(2)-(1)/(x^(2)))` is