Wiskunde Multiple Choice Vraag

$\cos\frac{2\pi}{7}\cdot\cos\frac{4\pi}{7}\cdot\cos\frac{6\pi}{7}=$	A. $-\frac{1}{8}$
	B. $-\frac{1}{4}$
	C. $\frac{1}{2}$
	D. $\frac{1}{4}$
	E. $\frac{1}{8}$

[ 5-8560 - op net sinds 6.4.2025-(E)- ]

See above

$\cos\frac{2\pi}{7}\cdot\cos\frac{4\pi}{7}\cdot\cos\frac{6\pi}{7}=$	A. \(-\frac{1}{8}\)
	B. \(-\frac{1}{4}\)
	C. \(\frac{1}{2}\)
	D. \(\frac{1}{4}\)
	E. \(\frac{1}{8}\)