Quote of the Day: "Obvious is the most dangerous word in mathematics."
                        -- E.T. Bell


Objectives:
	The student will review basic right triangle trigonometry.
	The student will review basic trigonometric identities.
 
1. Collect Homework Assignment.
  
2. Relationship Between Degrees and Radians  
 
       
 
3. Trig Functions for Right Triangles
 
        

       
 Click here for Mnemonics for the trig ratios


 
4. Evaluate Trig Functions of Angles in Rectangular Coordinate System
   Discuss these terms:
       Standard Position    Initial Side     Terminal Side 
   Evaluate the trig functions of 120 degrees
   Evaluate the trig functions of -pi/2 radians
   
5. Trig Identities
 
           
 
6. Law of Cosines     c2 = a2 + b2 - 2ab cos(C)

7. Sum and Difference Identities
 

       
 Click here for the Sum and Difference Identities



       
 Click here for a list of Identities


 
8. Determine the angle, given the value of a trig function
   (With and without a calculator)
 

       
 


 
9. Assignment:
    Read pages A8 - A11 
    Do p. A-12 (15c, 16b, 17, 21, 22, 26, 41, 48) in the Appendix
    Continue to work on Mini Exam #1 Review    
    Come to the Review Session today

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