solve the following equation for $\theta$ over the interval $0, 2pi)$, giving exact answers in radian units…

solve the following equation for $\theta$ over the interval $0, 2pi)$, giving exact answers in radian units. if an equation has no solution, enter dne. multiple solutions should be entered as a comma - separated list.\n$sin(2\theta)-sin(\theta)=0$\n$\theta =$
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