TY  - GEN
AU  - Horner, R Donal
TI  - Trogonometry: A study of Certain real Functions
SN  - 6816787
U1  - 516.24, HOR 
PY  - 1968///
CY  - New York
PB  - Holt
KW  - Trogonometry
N1  - Goals And Background (Page-1), Geometry (Page-19),   Functions (Page-37), Trigonometric Functions (Page-73),  Inverse Trigonometric Functions (Page-118), Extension Of Trigonometry (Page-140), Trigonometry And Angles (Page-161), Vector Spaces (Page-210)
ER  -