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asked ago in Three-dimensional geometry by (20.3k points)

A line makes angles α, β, γ, δ with the four diagonals of a unit cube. 

sin2 α + sin2 β + sin2 γ + sin2 δ is

(a) 1/3

(b) 4/3

(c) 8/3

(d) 15/3

Sarthaks Test For Class 7-12

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answered ago by (21.7k points)
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Best answer

Answer is (c) 8/3

sin2 α + sinβ + sin2 γ + sin2 δ

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