If θ is the angle between two vectors $$\overrightarrow{a} and \overrightarrow{b}$$ , then $$\overrightarrow{a} ⋅ \overrightarrow{b} ≥ 0$$ only when

(A) 0 < θ < π/2

(B) 0 ≤ θ ≤ π/2

(C) 0 < θ < π

(D) 0 ≤ θ ≤ π

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Q)

If θ is the angle between two vectors $$\overrightarrow{a} and \overrightarrow{b}$$ , then $$\overrightarrow{a} ⋅ \overrightarrow{b} ≥ 0$$ only when

(A) 0 < θ < π/2

(B) 0 ≤ θ ≤ π/2

(C) 0 < θ < π

(D) 0 ≤ θ ≤ π

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