This is very good that you want to relearn all your mathematics. Calculus was invented as a tool for physics anyways.
Your time span should affect the majority of your decision. If you don't have a lot of time to study, start with the calc book, a calculus 1 course book. I don't think the theory in lower level calculus is that difficult to learn, the hard part is doing the algebra. So this way you will be forced to go back and learn your algebra. If you have time though, start brushing up on the algebra books. I know it sucks, you don't want to read it because you feel like you know it already, but unless you can honestly tell yourself that you could open up a lower level algebra book to any page and be able to explain that section to a n00b fully, you need to review it.
The best part about your self-educating desire, you can get the math books free from any college student. A lot of people dread math and would be more than willing to give you their math book. Along with it you could take their class notes and class syllabus, outlining the important or beneficial homework problems.
I have taught myself many subjects from sciences to foreign languages. Because I have a hard time paying attention in class, I get all my information from reading the book anyways. The only problem with me is that i found class is better, because i am forced to learn it and go through with it, as where i am at home reading a biology book, its not very difficult to put it down and forget about it forever.
There are also a lot of online tutor sessions that come free with some math books. There are probably a lot of college kids that are willing to let you use their user name to access online tutors as well.
Good luck!