You can try the following: OpenGL Programming Guide - redbook
This is the official publication for learning openGL. This is the seventh edition dedicated to versions 3.0 and 3.1 of openGL (soon another edition for version 4.1 will be available). It covers the basics and covers more complex topics.
Or you can try the following video tutorials: videotutorialsrock.com
These videos follow a similar structure as the book I mentioned above. They introduce some general concepts of 3D graphics and the corresponding openGL syntax. I think this is a good first step for those who are familiar with openGl and 3D graphics programming.
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