Much like physics lab and has quite a bit more for math review in general - bit hard to fallow at some points, but still good, and has examples at the end

• http://www.algebralab.org/lessons/lesson.aspx?file=Trigonometry_TrigVectorOperations.xml

Trig Review Quiz may be a bit confusing

• http://www.physicslab.org/Document.aspx?doctype=3&filename=IntroductoryMathematics_BasicTrigonometry.xml