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Q 1237312282.
If `α, β, γ` are the angles which a directed line `–` makes with the positive directions of the co-ordinate axes, then `sin^2 α + sin^2 β + sin^2` `γ` is equal to
A
`2//3`
B
`3//2`
C
`3`
D
`2`
HINT
Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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