Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Nemhaka yezvaidiwa pakufamba nengarava uye kudiwa kwakakura kwemamepu akarurama enzvimbo dzakakura, trigonometry yakakura kuva bazi guru remasvomhu. Bartholomaeus Pitiscus ndiye akatanga kushandisa shoko racho, achibudisa bhuku rake rinonzi Trigonometria muna 1595. Tafura yaRegiomontanus yesines necosines yakabudiswa muna 1533. Munguva yeRenaissance chido chevanyori chokumirira nyika yechisikigo nenzira yechokwadi, pamwe chete nouzivi hwakawanikwazve hwevaGiriki, zvakaita kuti vanyori vezvemifananidzo vadzidze masvomhu. Vakanga variwo mainjiniya navavaki venguva iyoyo, uye naizvozvo vaida masvomhu mumamiriro ezvinhu ose. Unyanzvi hwokupenda mumurangariro, uye kufambira mberi mune geometry iyo yaibatanidzwa, yakadzidzwa zvikuru.  Mubvunzo: Nei dzidziso yetrigonometry yakakura nokukurumidza kudaro?
zvinodikanwa zvekufambisa uye kudiwa kuri kukura kwemamepu akarurama enzvimbo huru