Home Study Companion: Algebra 2 / Trigonometry; video course for homeschoolers and adult learners Video lectures for a full year course in Algebra 2 / Trigonometry for homeschoolers and self-teaching adults. Video solution guide for all assigned problems (about 1/2 of the problems in the text). Designed to accompany the text Algebra and Trigonometry: Functions and Applications by Paul A. Foerster. Presented by David Chandler, with 35 years experience teaching physics and mathematics. This is not a "watered down" course for homeschoolers. It is solid teaching by an experienced teacher using one of the most respected textbooks in the field.