VectorEasy
Question
If the angle between 
and 
is θ then for . ≥ 0 -
and is θ then for . ≥ 0 -Options
A.0 ≤ θ ≤ π
B.0 < θ > π / 2
C.π / 2 ≤ θ ≤ π
D.0 ≤ θ ≤ π/2
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