TY  - BOOK
AU  - Calingasan, Recto Rex M.
TI  - Trigonometry: : a worktext 
SN  - 9789712727818
AV  - 516 C12t 2016 
PY  - 2016///
CY  - Mandaluyong City, Philippines
PB  - Anvil Publishing, Inc.
KW  - Trigonometry
N1  - Includes index
N2  - Trigonometry: A Worktext covers all the basics of the course through illustrations and examples. The definitions of the trigonometric functions are geometrically-motivated. The text makes a transition to the study of Algebra and Analytic properties of trigonometric functions, in a way that provides a solid foundation for more advanced mathematical concepts
ER  -