e.g. for the graph y=sin(x) do you need to be able to explain its shape with the unit circle thing or is that just to help me understand because ngl its really stressing me out
Then no, this demonstration is simply for your understanding.
OP yeah ive never seen that but now im gonna go and understand what it is cuz FOMO :/ ):
I do A level Maths - predicted Grade A
but never seen that R.i.P to my A😂😂