YouTube has lots of good videos, like these Khan Academy playlists:
Applet for playing around with Riemann sums. And another one that allows you to enter a particular function.
An interactive tool for calculating definite integrals and visualizing the area they compute.
More on Fourier Analysis (as a place where you see a lot of trig integrals) and its applications. Fourier analysis makes a piano speak!
Applet for drawing surfaces of revolution.
Applet for visualizing the volume via cylindrical shells.
Summary of tests for convergence of series.
List of important Taylor series.
First midterm exam review (includes practice problems)
Second midterm exam review (includes practice problems)
Final exam review (includes practice problems)