Respuesta :

Answer:

270°

Step-by-step explanation:

Given :-

  • 0° ≤ θ < 360°

To Find :-

  1. sinθ = -1

Solving :-

  • We know sin90° = 1
  • Therefore, for it to be negative, it needs to be rotated by 180°
  • ⇒ 90° + 180° = 270°