Find the value of ∏k=1n−1sin(kπn)\prod_{k=1}^{n-1} \sin\left(\frac{k\pi}{n}\right)∏k=1n−1sin(nkπ) for n=3n = 3n=3.
1/21/21/2
3/2\sqrt{3}/23/2
3/4\sqrt{3}/43/4
3/43/43/4