The cosine of the angle between any two diagonals of a cube is

Question Asked by a Student from EXXAMM.com Team

Q 2572291136.     The cosine of the angle between any two diagonals of a cube is
WBJEE 2016
A

1/3

B

1/2

C

2/3

D

1/sqrt3

HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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