Is it enough to study general physics only by studying the mathematical appendix at the back of the book?
I think that's enough, and it won't cause too much trouble to your study, but I still suggest you learn advanced mathematics first, such as finding the electric field intensity generated by a charged disk at a certain point. Ordinary books first tell you how to find the electric field generated by charged rings, and then the disk is the sum of countless rings, which is actually a double integral of polar coordinates. Personally, I think that general physics is the application of advanced mathematics in high school physics, so as to learn advanced mathematics well. The rapid learning of general physics is very helpful for you to learn the four major mechanics, otherwise the four major mechanics are likely to be completely blind. If conditions permit, you can study math and physics at the same time, one morning and one afternoon.