>>14145628study precalculus, you should know about sin and cos function (and its inverse). you should know about graph in general, such as linear, quadratic, cubic graph. You also need to know about angle and unit circle. Lastly, you should know a bit about conic section. Exponential function is also a good idea.
Basically, watch all of patrickjmt video if you don't want to read book and make sure to copy those note by hand.
Next, go into proof like book of proof or how to prove it.
Go into calculus (applied not analysis)
If you complete all of that, come back to sci and ask for more advise.
