Compulsory 2 is a set of solid geometry and plane analysis, which initially includes the positional relationship of points, lines and planes in the space geometry of solid geometry, the basic formulas in the plane rectangular coordinate system, the equations of lines and circles and the space rectangular coordinate system.
Compulsory 3 is relatively unimportant, including the preliminary statistics and probability of the algorithm.
Compulsory 4 includes trigonometric function trigonometric identity transformation and plane vector.
Compulsory 5 is compulsory, and the last book includes solving trigonometric series and inequalities.
Elective course 2- 1 includes common logical terms such as conic space vector and solid geometry.
Elective 2-2 includes derivative and its application, reasoning and proof, expansion of number system and complex number.
Elective courses 2-3 include further study of binomial theorem of permutation and combination and probability statistics.
These are the books I have at present.