AP Calculus Website Help Chapter 3 1. For section 3.5: The Derivatives of Trig Functions: Visit: http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/trigderivdirectory/TrigDerivatives. html
2. For section 3.6: The Chain Rule: Visit: http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/chainruledirectory/ChainRule.html
3. For section 3.7: Implicit Differentiation: Visit: http://www.math.ucdavis.edu/~kouba/CalcOneDIRECTORY/chainruledirectory/ChainRule.html
4. For section 3.9: Related Rates Visit: http://people.hofstra.edu/Stefan_Waner/tutorials5/frames5_5.html