Learning Outcomes
 Find the derivatives of sine and cosine functions .
 Find the derivatives of the standard trigonometric functions.
 Calculate the higherorder derivatives of the sine and cosine functions.
Textbook
 Chapter 3.5 Derivatives of Trigonometric Functions
Textbook Assignment
 p. 285: 177, 179, 185, 187, 191195 odd
WeBWork Assignment
 DerivativesTrigonometric
Exit problems of the session

Find the derivative of the following functions:
(a). (b). (c).  Find the second order derivative for the given function .
Key Concepts
 Derivative of sine function:
 Derivative of cosine function:
 Derivative of tangent function:
 Derivative of cotangent function:
 Derivative of secant function:
 Derivative of cosecant function:
Videos and Practice Problems of Selected Topics
 Derivatives of and . (3:40)
 Worked Examples: derivatives of and . (5:13) Find the derivative of .
 * Practice: Derivatives of and . (4 problems)
 Derivatives of and (4:37) Use the quotient rule to derive formulas for the derivative of and .
 Derivatives of and (4:27) Use the quotient rule to derive formulas for the derivative of and .
 Product rule (8:03) Find the derivative of (first 3:20 minutes) and .
 Quotient rule (7:37) Find the derivative of (first 3:34 minues) and .