The cosines of the angle between any two diagonals of a cube is
A. \(\frac{1}{3}\)
B. \(\frac{1}{2}\)
C. \(\frac{2}{3}\)
D. \(\frac{1}{\sqrt{3}}\)
Answer:A
The cosines of the angle between any two diagonals of a cube is
A. \(\frac{1}{3}\) B. \(\frac{1}{2}\) C. \(\frac{2}{3}\) D. \(\frac{1}{\sqrt{3}}\)