Every school has different arrangements. In the first year of high school, you usually have to learn compulsory one first, and then compulsory four. You'd better ask your own teacher.

The math textbooks to be learned in senior high school are as follows:

Compulsory 1 Set Function (Basic) Basic Elementary Function I (Exponential Logarithmic Power Function)

Compulsory 2 Preliminary Analytic Geometry of Solid Geometry (Lines and Circles)

Compulsory 3 algorithm statistical probability

Compulsory 4 Basic Elementary Function II (Trigonometric Function) Plane Vector Trigonometric Identity Transformation

Five Necessary Solutions to Inequality of Triangular Sequence

Elective course 2- 1

Simple logical conic space vector

Elective course 2-2

Derived complex reasoning proof

Elective 2-3

Statistical case, binomial theorem, counting principle, statistical correlation (theory)