Question
The minimum value of $\mathrm{n}$, so that the two nth roots of unity subtend an angle $\frac{\pi}{6}$ at the centre is(a) 36(b) 3(c) 6(d) 12
Step 1
Step 1: The arguments of the nth roots of unity are of the form $\frac{2k\pi}{n}$ where $k$ ranges from $0$ to $n-1$. Show more…
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