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This chapter is from the book

Summary

The basis of all the operations you use to create images on the screen is expressed mathematically. This chapter gave a refresher of trigonometry, linear algebra, and vector calculus. You learned about how to use the Pythagorean theorem and normalized vectors to calculate angles of rotation. You learned that triangulation is at the heart of most graphics operations and that everything you do relies on an understanding of those fundamentals.

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