1) Sinθ=-1, find Secθ.

2) Cscθ=1, find Cosθ.

3) Sinθ=-1, find Cotθ.

4) Sinθ=-1, find Cosθ.

5) Sinθ=-1, find Cscθ.

1. sin (θ) = - 1

sin⁻¹ (sin (θ)) = sin⁻¹ (-1)

θ = - 90

sec (θ) = sec (-90) = undefined number

2. csc (θ) = 1

csc⁻¹ (csc (θ)) = csc⁻¹ (1)

θ ≈ 57.3

cos (θ) = cos (57.3) ≈ 0.54

3. sin (θ) = - 1

sin⁻¹ (sin (θ)) = sin⁻¹ (-1)

θ = - 90

cot (θ) = cot (-90) = undefined number

4. sin (θ) = - 1

sin⁻¹ (sin (θ)) = sin⁻¹ (-1)

θ = - 90

cos (θ) = cos (-90) = 0

5. sin (θ) = - 1

sin⁻¹ (sin (θ)) = sin⁻¹ (-1)

θ = - 90

csc (θ) = csc (-90) = - 1