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Why is 90 degrees not taken as the angle of reference?

Updated: 8/9/2022
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Wiki User

9y ago

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If I understand the question correctly, the answer is that it is simply a case of convention. For bearings, for example, the reference line is North and angles are measured clockwise. In 2-D polar coordinates, the reference line is the horizontal (going East) and angles are measured in the anti-clockwise direction.

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Bethel Pfeffer

Lvl 9
1y ago
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Q: Why is 90 degrees not taken as the angle of reference?
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