well i WAS happy but i just found another 3 marks lost from silly errors. i'm sitting on i think about 95 now. lost 2 in MC, accidentally found the minimum value of fi instead of maximum, and made 1 silly mistake in q11 integral (somehow got - the answer)
i think the start was harder but end was easier. i feel like the e4 might be a little lower, but the top end will be "sandwiched" together because last q was fairly simple
i don't see why that seems shifty :S it said prove it's increasing for (/) between -pi/2 and pi/2
so differentiate and show > 0 for the given domain. pretty straight forward?