Sketching graphs with asymptotes, and in particular the graph of the reciprocal of a function
lesson notes:03 reciprocal graphs
Daily Archives: March 15, 2022
Change of Sign
Functions can only change sign in one of two situations. Using this idea is a help when solving inequations
lesson notes:02 change of sign
Trig Substitutions
Using a trig substitution can lets you convert an expression into trig functions, and then you can use the techniques of trig integrals
lesson notes: 08 trig substitutions