Why does sin 30° = 150° (or sin π/6 = sin 5π/6)? Refer to both the unit
circle and the graph of the sine curve.
so, have you drawn the angles?
sin(θ) = y/r
For both angles, y and r are the same.
circle and the graph of the sine curve.
sin(θ) = y/r
For both angles, y and r are the same.