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If any line form an angle α, β, γ, δ with the diagonal of cube then cos^2α + cos^2β + cos^2γ + cos^2δ = ____

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If any line form an angle α, β, γ, δ with the diagonal of cube then cos2α + cos2β + cos2γ + cos2δ = ____

(A) – (4/3)

(B) (4/3)

(C) (8/3)

(D) – (8/3)

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1 Answer

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The correct option  (A) – (4/3)  

Explanation:

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