T1R1I1G2O1N1O1M3E1T1R1Y4
18 points
TRIGONOMETRY is validvalid
[n TRIGONOMETRIES]
the study of the properties of triangles and trigonometric functions and of their applications [n TRIGONOMETRIES]
[n TRIGONOMETRIES]
the study of the properties of triangles and trigonometric functions and of their applications [n TRIGONOMETRIES]