If a line makes angles α, β, g respectively with the co-ordinate axes
If a line makes angles α, β, g respectively with the co-ordinate axes, then sin2g-cos2 α-cos2 β=
(a) 1
(b) 0
(c) -1
(d) 2
If a line makes angles α, β, g respectively with the co-ordinate axes, then sin2g-cos2 α-cos2 β=
(a) 1
(b) 0
(c) -1
(d) 2