(c) Parallel to 2sIf a line makes angles α, β,y, δ with four diagon – InterviewSolution

1.	(c) Parallel to 2sIf a line makes angles α, β,y, δ with four diagonals of acube, then the value of sin 2 α+ sin 2 β+ sin274 sin'δ 1s(a) 二45.(b) 1
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