If $cosec^{4}A -­ cosec^{2}A$ = x, then value of x is?

If $cosec^{4}A -­ cosec^{2}A$ = x, then value of x is?
1). $tan^{4}A + tan^{2}A$
2). $cot^{4}A + cot^{2}A$
3). $cot^{4}A - cot^{2}A$
4). $tan^{4}A - tan^{2}A$

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