Solve for the interval 0<= theta<=2 pi; ; cos theta * sin theta - 1/2 * sin theta = 0
cosθ sinθ - 1/2 sinθ = 0
sinθ (cosθ - 1/2) = 0
so,
sinθ = 0
or
cosθ = 1/2
So where does that happen?
sinθ (cosθ - 1/2) = 0
so,
sinθ = 0
or
cosθ = 1/2
So where does that happen?