College of DuPage
"Trigonometry is a sine of the times." – Author Unknown
COD's CODís Precalculus II (Mathematics 1432) course is "jam-packed full" of the trigonometric skills necessary to be successful in calculus. This online version of the course covers the same content as the classroom version, but adds the freedom to complete assignments and quizzes from "anywhere." Put on your math-pajamas and exercise your brain!
This is a three hour course.