If a directed line L passing through the origin makes angles α, β an – InterviewSolution

1.	If a directed line L passing through the origin makes angles α, β and y with x, y and z-axes, respectively, called direction angles, then what are cosα, cosβ, and cosy called?
Answer» If a directed line L passing through the origin makes angles α, β and y with x, y and z-axes, respectively, called direction angles, then what are cosα, cosβ, and cosy called?

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