Evaluate ∏k=1n(1−sin(kπ2n+1))\prod_{k=1}^{n} (1 - \sin(\frac{k\pi}{2n+1}))∏k=1n(1−sin(2n+1kπ)).
Depends on nnn
2n2^{n}2n
Cannot be simplified without specific nnn
12n\frac{1}{2^n}2n1