tan⁡72∘cot⁡18∘−cot⁡72∘tan⁡18∘=0\frac{\tan 72^\circ}{\cot 18^\circ} - \frac{\cot 72^\circ}{\tan 18^\circ} = 0

Mathematics

Problem

tan⁡72∘cot⁡18∘−cot⁡72∘tan⁡18∘=0\frac{\tan 72^\circ}{\cot 18^\circ} - \frac{\cot 72^\circ}{\tan 18^\circ} = 0

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