The mathematics of sat2 is very simple compared with that of the national college entrance examination. If you have textbooks for ordinary senior high schools in China, it is enough to know the most basic knowledge. Then buy a Kaplan or Barron exercise, and then find your own weaknesses to make up for it after the exercise. There are several parts you don't need to see: 1. Space vector; 2. Proof of solid geometry; Of course, there is also knowledge beyond the scope of domestic textbooks: 1. A conic curve whose center of symmetry is not at the origin; 2. Basic knowledge of calculus.

The methods of physics and mathematics are the same, but in the new domestic textbooks, deeper knowledge such as light quantum and relativity is only an elective part, but it is compulsory in sat2. You'd better go ahead and look back when you have enough time!