If \( \operatorname{cosec} \theta=2 x \) and \( \cot \theta=\frac{2}{x} \), find the value of \(...

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If \( \operatorname{cosec} \theta=2 x \) and \( \cot \theta=\frac{2}{x} \), find the value of \( 2\left(x^{2}-\frac{1}{x^{2}}\right) \)
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