Quote of the Day: 
"Alcohol and Calculus Don't Mix;  Never Drink and Derive."

Objectives:
   The student will prove the derivative formulas for all 
	six trigonometric functions.
   The student will take derivatives of functions 
	involving the trigonometric functions. 
                  
1. Collect Homework.

2.  Recall:

 and the Definition of the Derivative.

3. Derivatives of the six trig functions

   Now determine the derivatives of cot(x), sec(x) 
   and csc(x) using the quotient rule and the derivatives 
   of the sin(x), cos(x), and tan(x).

4. Examples

5. Assignment: 
      Read pages 204 - 206
      p. 207 (1, 3, 5, 7, 9, 11, 13, 15, 19, 25b, 31, 35)

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