hello to those actively involved in the mathematics forum. i just wanted to ask simple but yet very annoying problem i have.

it seems that simple mathematics like finding the most simple angles in the GCE normal maths seems much harder to me than the GCE advanced pure and statistical mathematics. so im saying calculus and vectors all these advanced stuffs seems more easier than simple sin cos tan, and rounding off, and simple algebra...

does anyone have the same problem??

thank you for any advices.