TY  - BOOK
AU  - Tamayo, Joycelyn S.
AU  - Villareal, Mary Joy A.
AU  - Gatmaitan, Jophel M.
AU  - Anastacio, Teresita M.
AU  - Belecina, Rene R.
TI  - Precalculus: a worktext for senior high school 
SN  - 9786218006584
PY  - 2017///
CY  - Quezon City
PB  - Brilliant Creations Publishing, Inc.
N1  - Chapter 1. Exploring circles -- Chapter 2. Exploring the parabola -- Chapter 3. Exploring the ellipse -- Chapter 4. Exploring 
 the hyperbola -- Chapter 5. Understanding systems of nonlinear equations -- Chapter 6. Exploring series and mathematical induction -- Chapter 7. Exploring the unit circle -- Chapter 8. Exploring the trigonometric identities -- Chapter 9. Exploring inverse trigonometric functions and trigonometric equations -- Chapter 10. Exploring the polar coordinate system
ER  -