Last few days before adv maths! (1 Viewer)

[Apple Sauce]

Hi guys hope your study prep is going well,

Thought this would be a good opportunity to revise formulas needed. What do you think are the most obscure or even the most forgotten??

I will start off with what I struggle to remember:
SA of cylinder= 2pi^2 +2pi(r)(H)

 

[Menomaths]

trapezoidal/simpson's rule/first principle differentiation