That's jumping into the deep end of the pool without a floatation device. You've probably tried already and found that isn't productive if you can't swim nor stay afloat.
I recommend Eric Lengyel's new math text book catered to game engines for a more formal introduction : https://www.amazon.com/dp/0985811749/?tag=terathon-20
has cursory introductions to the basic mathematical ideas behind rendering. It's enough to get your feet wet.