VectorHard
Question
Vector 
makes angle α, β and γ with the X, Y and Z axes respectively.
Then sin2 α + sin2 β + sin2 γ =
makes angle α, β and γ with the X, Y and Z axes respectively.Then sin2 α + sin2 β + sin2 γ =
Options
A.0
B.1
C.2
D.3
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