Trigonometry waxaa ugu horeeyay in la isticmaalo erayga, daabacaadda uu Trigonometria ee 1595. Regiomontanus ee miiska ee sines iyo cosines la daabacay 1533.Dib u Renaissance rabitaanka farshaxanka si ay u matalaan dunida dabiiciga ah si dhab ah, oo ay la socdaan falsafada dib u helay ee Giriigga, keentay in farshaxanka si ay u bartaan xisaabta. Waxay sidoo kale ahaayeen injineerada iyo injineerada waqtigaas, oo sidaas u baahan xisaabta kiis kasta. farshaxanka rinjiyeynta ee aragtida, iyo horumarka ku lug leh joomateri, ayaa si xoog leh loo bartay. Su'aal: Waa maxay sababta trigonometry si dhakhso ah u koray?
baahida loo qabo maraakiibta iyo baahida sii kordhaysa ee khariidadaha saxda ah ee aagga weyn