If sin(θ)=12\sin(\theta) = \frac{1}{2}sin(θ)=21, what is the value of θ\thetaθ in the interval [0∘,90∘][0^\circ, 90^\circ][0∘,90∘]?
30∘30^\circ30∘
45∘45^\circ45∘
60∘60^\circ60∘
90∘90^\circ90∘