Cari nilai v
v=\frac{-4\cos(\frac{\arccos(\frac{373}{400})}{3})+1}{3}\approx -0,989898212
v=\frac{2\sqrt{3}\sin(\frac{\arccos(\frac{373}{400})}{3})+2\cos(\frac{\arccos(\frac{373}{400})}{3})+1}{3}\approx 1,136818913
v=\frac{-2\sqrt{3}\sin(\frac{\arccos(\frac{373}{400})}{3})+2\cos(\frac{\arccos(\frac{373}{400})}{3})+1}{3}\approx 0,853079298
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