Tuhia he whiti kōrero poto i runga i te kaupapa e whai ake nei:  Kei te mahi te tangata X i te tātai tapatoru
Ae ra, anei he rarangi poto: E mahi ana a Oswald i te trigonometry nā te mea e hiahia ana a Oswald kia āhei ki te tātai i ngā koki me ngā taha o ngā tapatoru. Ina koa, e hiahia ana a Oswald kia taea te whakamahi i ngā taumahi sine, cosine, me te tangent hei whakaoti rapanga.