Without using trigonometric table, find the value of \( \frac{\cot 54^{\circ}}{\tan 36^{\circ}}+...

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Without using trigonometric table, find the value of \( \frac{\cot 54^{\circ}}{\tan 36^{\circ}}+\frac{\tan 20^{\circ}}{\cot 70^{\circ}}-2 \).
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