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9-28.
  1. Convert the following angle measurements from degrees to radians. Homework Help ✎

    1. 30°

    2. 15°

    3. −75°

    4. 630°

This is a special angle. It is one that is worth memorizing!

Half of part (a).

Negative (30° + 30° + 15°)

360° + 270°