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## Main Question or Discussion Point

For an equations such as this what goes into the θ?

θ = sinθ or θ = θ?

Let's say if the angle of displacement = 45° do I just plug 45° as θ into the equation below or should it be sin(45°)?

Or is it θ = S/R ?

ω

θ = sinθ or θ = θ?

Let's say if the angle of displacement = 45° do I just plug 45° as θ into the equation below or should it be sin(45°)?

Or is it θ = S/R ?

ω

_{f}^{2}= ω_{i}^{2}+ 2 α (θ_{f}- θ_{i})
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