Respuesta :

mhanifa

Answer:

Use the following identities:

  • sin²θ + cos²θ = 1

Since sinθ = -1

  • cos²θ = 1 - sin²θ
  • cosθ = √1 - sin²θ = √1 - (-1)² = √0 = 0

Tangent:

  • tanθ = sinθ / cosθ
  • tanθ = -1 / 0 = undefined in any interval where sinθ = -1
MisterBrainly

sinØ=-1

cosØ

  • √1-sin²Ø
  • √1-1
  • 0

tanØ

  • sinØ/cosØ
  • 1/0
  • undefined