Larson, Ron <br/><br/>
Precalculus / 
Ron Larson [and three others] 
 - Philippine edition. 
 - Valenzuela City :  JO-ES Publishing House, Inc.,  c2016. 
 - vii, 386 pages :  26 cm. 
<br/><br/>Includes index. 
<br/><br/>Chapter 1. Analytic geometry. -- Chapter 2. Systems of equations and inequalities -- Chapter 3. Angle measurement and graphs of trigonometric functions -- Chapter 4. Solutions of a triangle -- Chapter 5. Trigonometric identities and functions -- Chapter 6. Sequences and series -- Index. 
<br/><br/><label>ISBN: </label>9789716554984