I would recommend starting with a calculus book. If you aren't comfortable enough with the trig side of things, do a refresher on OCW or Khan Academy. This boo

I would recommend starting with a calculus book. If you aren't comfortable enough with the trig side of things, do a refresher on OCW or Khan Academy. This book is my personal favorite. http://www.amazon.com/Calculus-Practical-Man-J-Thompson/dp/1443728837 http://www.amazon.com/Calculus-Practical-Man-J-Thompson/dp/1...