Question: The components of a vector A satisfy Ax < 0 and Ay < 0. Is the direction angle of A between 0 and 90, between

The components of a vector A̅ satisfy Ax < 0 and Ay < 0. Is the direction angle of A̅ between 0° and 90°, between 90° and 180°, between 180° and 270°, or between 270° and 360°?

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