for DCCC
Archimedes Leonhard Euler Carl Friedrich Gauss

MAT 152 - Precalculus

Algebra & Trigonometry Enhanced with Graphing Utilities, 6th Ed., Sullivan
NOTE: This book is NOT used at DCCC. The book Algebra and Trigonometry, 9th Ed. is used but no videos exist for this text, yet. However, the chapters are similar.
» Videos by Sullivan's Algebra and Trigonometry EGU 6e