Respuesta :

9514 1404 393

Answer:

  • co-terminal: 37°
  • 1st quadrant
  • reference angle: 37°

Step-by-step explanation:

-1043°/360° ≈ -2.9

Adding 3×360° will give a co-terminal angle in the range 0-360°:

  -1043° +1080° = 37°

This co-terminal angle is in the first quadrant. It is also the reference angle.