Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

3x=2\pi
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
\frac{3x}{3}=\frac{2\pi }{3}
Whakawehea ngā taha e rua ki te 3.
x=\frac{2\pi }{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.