If sin θ = –1/2 for 0 < θ < 360o, the value of θ is
- 30o and 150o
- 150o and 210o
-
210o and 330o
- 150o and 330o
The correct answer is: C
Explanation
sin θ = -1/2= -0.5
θ = sin-1 (0.5)
θ = 30o
Since θ is negative
θ = 180 + 30 = 210o
θ = 360 - 30 = 330o
∴θ = 210o and 330o