This is a more advanced site than we need for the introduction in this book, but check out the following choices on this site:
“Secants and tangents”
http://clas.sa.ucsb.edu/staff/lee/Secant,%20Tangent,%20and%20Derivatives.htm
This is a more advanced site than we need for the introduction in this book, but check out the following choices on this site:
“Secants and tangents”
http://clas.sa.ucsb.edu/staff/lee/Secant,%20Tangent,%20and%20Derivatives.htm