If line makes angle α,β,γ,δ with the four diagonals of a cube, then the value of cos 2 α…
Mathematics · JEE Advanced · NTA Exams — Three Dimensional Geometry
If line makes angle α,β,γ,δ with the four diagonals of a cube, then the value of cos2α + cos2β + cos2γ + cos2δ =
- 1
- 4/3
- 2/3
- Variable
Answer
(B) 4/3
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