A line in three-dimensional space makes angle and with the positive -axis and the positive -axis respectively. If makes an acute angle θ with the positive -axis, then θ equals |
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a) |
b) |
c) |
d) |
A line in three-dimensional space makes angle and with the positive -axis and the positive -axis respectively. If makes an acute angle θ with the positive -axis, then θ equals |
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a) |
b) |
c) |
d) |