Question

For what values of the angle θ between the two vectors is their scalar product positive? ___ ° ≤ θ < ___°.

For what values of θ is their scalar product negative? ___° < θ < ___°

Answer 1

The following are the answers to the questions presented:

0° ≤ θ < 90° - positive

90° < θ < 180° - negative

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