Choose the correct answer If θ is the angle between two vectors a and – InterviewSolution

1.	Choose the correct answer If θ is the angle between two vectors a and b, then a.b≥0 only when a) 0<θ<π2 b) 0≤θ<π2 c) 0<θ<π d) 0≤θ≤π
Answer» Choose the correct answer If $θ$ is the angle between two vectors a and b, then $a . b \geq 0$ only when a) $0 < θ < \frac{π}{2}$ b) $0 \leq θ < \frac{π}{2}$ c) $0 < θ < π$ d) $0 \leq θ \leq π$

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