1. 3.6 Trigonometric Functions Tues Sept 27
Do Now
Find the y’’ and y’’’ 1) 2)

2. HW Review

3. Trig Derivatives
Use the limit definition to find d/dx sinx

4. D/dx sin x and cos x
Using the limit definition, the derivatives are

5. D/dx other trig functions
Using the Quotient Rule, the other trig derivatives can be derived:

6. Proof of one
Pick a trig to prove

7. Ex
Find the 9’th derivative of sin x

8. Ex 2
Find the tangent line to the graph of
y = tanx secx at x = pi/4

9. Closure Find the 55th derivative of cos x
HW: p.167 #
Test Monday

10. Review Wed Sept 28
Do Now
Find the the derivative of each function
1) y = sinx cosx
2) y = x^2(tanx)

11. HW Review

12. 3.1-3.6 Review Derivative Rules Derivative Applications
Power Rule, e^x
Product / Quotient Rules
6 Trig Rules
Derivative Applications
Limit definition
Tangent Lines
Rates of Change (Velocity, Acceleration)
Derivatives and Graphs

13. Closure
Of the 6 sections so far, which of the 6 seem most interesting? Why?
Quiz tomorrow