The books listed in the Syllabus:
OpenGL: A Primer, 2nd Edition
Dave Shreiner, Mason Woo, Jackie Neider, Tom Davis
OpenGL Programming Guide, 5th Edition
will probably be the best resources for learning OpenGL. However, there are plenty of free resources online if you need more help.
The OpenGL Programming Guide ("Red Book") online. Note this is an old version!
The OpenGL Reference Manual ("Blue Book") online. Note this is an old version!
OpenGL FAQs, including lists of tutorials
OpenGL man pages - Reference for all OpenGL functions
Microsoft's OpenGL Reference - Has listing and explanation of state variables as well as all functions
A lot of tutorials can be found easily through Google, so we'll only list a couple of prime examples here:
NeHe OpenGL Tutorials - Tutorials from your first OpenGL program to advanced rendering techniques
Nate Robins' OpenGL Tutors - tutor programs which help explain difficult concepts
OpenGL Tutorial at UCCS, including details about GLUT
Here are a couple of sites that you might find useful.