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If unit vectors veca and vecb are inclin...

If unit vectors `veca and vecb` are inclined at an angle `2 theta` such that `|veca - vecb| lt 1 and 0 le theta le pi`, then `theta` lies in the interval

A

`[0, pi/6]`

B

`((5pi)/6, 2pi]`

C

`[pi/6, pi/2]`

D

`[pi/2, (5pi)/6]`

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