# Differentiation rules II

Learning objectives

• Compute derivatives of $\cos \omega t$, $\sin \omega t$
• Compute partial derivatives
• Use algebraic differentiation to answer questions in applied contexts
• Explore Wolfram Alpha

Before class

• Read Hughes-Hallett 3.5, 9.4.
• Ponder problems 3.5. 7-10, 15, 22, 27, 28; 11, 13, 14, 18, 28, 34.
• Do the assignment for Nov 1 posted on the course Moodle site.
• Review the formula sheet
• Review the reasons for the derivative rules

In class

• Textbook practice with derivatives
• Check answers with Wolfram Alpha
• QUIZ 7 (Derivative formulas)