Algebra-2

To determine which angle lies on the positive -axis, consider the following:

1. Standard Position: The angle starts from the positive -axis, and the terminal side is determined by rotating counterclockwise for positive angles and clockwise for negative angles.

2. The key angles on the axes are:
  - : Terminal side is on the positive -axis.
  - : Terminal side is on the positive -axis.
  -

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