A line makes angles \( \alpha, \beta \) and \( \gamma \) with the coordinate axis If \( \alpha+\....

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A line makes angles \( \alpha, \beta \) and \( \gamma \) with the coordinate
\( \mathrm{P} \)
axis If \( \alpha+\beta=90^{\circ} \) then \( \gamma \) is
W
(1) \( 30^{\circ} \)
(2) \( 45^{\circ} \)
(3) \( 60^{\circ} \)
(4) \( 90^{\circ} \)


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