Question: The components of a vector B satisfy Bx > 0 and By < 0. Is the direction angle of B between 0 and 90, between

The components of a vector B̅ satisfy Bx > 0 and By < 0. Is the direction angle of B̅ between 0° and 90°, between 90° and 180°, between 180° and 270°, or between 270° and 360°?

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