WBJEE · Maths · Three Dimensional Geometry
The cosine 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 & Solution
Correct Answer
(A) \(\frac{1}{3}\)
Step-by-step Solution
Detailed explanation
Let the direction ratio's of two diagonals of a cube are (1,1,1) and (-1,1,1)…
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