If cos(θ)=0\cos(\theta) = 0cos(θ)=0, what is the most likely value of θ\thetaθ in the range [0∘,180∘][0^\circ, 180^\circ][0∘,180∘]?
0∘0^\circ0∘
45∘45^\circ45∘
90∘90^\circ90∘
180∘180^\circ180∘