Solution: $\cos 180^\circ = -1$, and $\cot 30^\circ = \frac1\tan 30^\circ = \frac1{\frac{\sqrt3}3} = \sqrt3$. Therefore:

Solution: $\cos 180^\circ = -1$, and $\cot 30^\circ = \frac1\tan 30^\circ = \frac1{\frac{\sqrt3}3} = \sqrt3$. Therefore: - Get link 4share

📅 March 10, 2026 👤 scraface

Mar 10, 2026

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