Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Trigonometria-it#Sense
Trigonometría-es#Sense
Trigonometrie-nl#Sense
Trigonometrie-de#Sense
Trigonométrie-fr#Sense
Driehoeksmeting-nl#Sense
Trigonometry-en#Sense