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You are here: Pre-Calculus >> Sample Lectures
 
     
 
The
contain 10-15 minute lectures
 
 
for  every lesson in the print textbook. They also feature multimedia step-by-step explanations to the 5 practice problems that accompany each lesson. This set of CDs is ideal for students who prefer listening and watching to reading.
 
     
  Demos for Broadband Users - Lectures  
  Solving Equations Graphically  
   
   
   
  Translation and Rotation of Axes  
  More on Probability  
  More on Trigonometric Ratios  
  Solving Log Equations  
     
  Demos for Broadband Users - Practices  
  Finding the matching x-values of a function with a calculator  
  Solving a logarithmic equation with a calculator  
  Solving a trig equation by graphing with a calculator  
  Matrix multiplication  
  Finding the magnitude and direction angle of a vector  
  Converting a pair of rectangular coordinates into polar coordinates  
  Finding the equation for a sine function  
  Simplifying a trigonometric expression  
  Finding parametric equations  
  Solve a system of equations using matrices