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Tohaina

2\pi x=7
He hanga arowhānui tō te whārite.
\frac{2\pi x}{2\pi }=\frac{7}{2\pi }
Whakawehea ngā taha e rua ki te 2\pi .
x=\frac{7}{2\pi }
Mā te whakawehe ki te 2\pi ka wetekia te whakareanga ki te 2\pi .