If \( \alpha, \beta, \gamma \) are the angles which a line makes wi...
If \( \alpha, \beta, \gamma \) are the angles which a line makes with positive direction of the axes, then
Column 1
Column 2
(a) \( \sin ^{2} \alpha+\sin ^{2} \beta+\sin ^{2} \gamma \)
(p) 1
(b) \( \cos ^{2} \alpha+\cos ^{2} \beta+\cos ^{2} \gamma \)
(q) \( -1 \)
(c) \( \cos 2 \alpha+\cos 2 \beta+\cos 2 \gamma \)
(r) 2
(d) \( \cos ^{2} \alpha+\cos (\beta+\gamma) \cos (\beta-\gamma) \)
(s) 0
E
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