Precalculus
If you missed a class, or just need another explanation or more examples, watch an online video or check out a DVD from the LSC-NH Library:
List of 2412 DVDs
Online 2412 Videos
Reviewing our Trigonometry and College Algebra online videos may also be helpful.
Videos for Trigonometry (Math 1316)
Videos for College Algebra (Math 1314)
Student Information Sheet
(Some instructors collect these from their students.)