Question
a.
α < ωt < π and π < ωt < (2π + α)
b.
α < ωt < π and π < ωt < 2π
c.
α < ωt < (π + α) and (π + α) < ωt < 2π
d.
α < ωt < π and π < ωt < (2π - α)
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