I found myself in a similar situation about a year ago and while I've made a lot of progress I still have a long way to go. Here's what I've found useful: Prec

I found myself in a similar situation about a year ago and while I've made a lot of progress I still have a long way to go. Here's what I've found useful: Precalculus, Coursera, https://www.coursera.org/course/precalculus https://www.coursera.org/course/precalculus "Precalculus Mathematics In A Nutshell", George F. Simmons, http://www.amazon.com/Precalculus-Mathematics-Nutshell-Geometry-Trigonometry/dp/1592441300/ http://www.amazon.com/Precalculus-Mathematics-Nutshell-Geome... "The Hitchhiker's Guide to Calculus", Michael Spivak, http://www.amazon.com/Hitchhikers-Guide-Calculus-Michael-Spivak/dp/0883858126/ http://www.amazon.com/Hitchhikers-Guide-Calculus-Michael-Spi... http://www.khanacademy.com http://www.khanacademy.com http://www.reddit.com/r/learnmath/ http://www.reddit.com/r/learnmath/ http://www.math.stackexchange.com http://www.math.stackexchange.com