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So i took an extra booklet for the short answer in AOS. Wrote my student number on the booklet but forgot the centre number. Will that make any difference???? I'm really worried :/

Hey guys, So im currently accelerating in 2u and 3u maths and am ranked in the top 2 for both. I don't know if i should take up 4u or not? Don't wanna do 4u just for the sake of doing 4u but only if it will actually help my atar. My school is ranked in the top 40. What do you guys suggest?

How should i go about studying for HSC after trials given that we've already covered essentially all the content necessary. For maths ext 1. Thanks :)

What is the effect of an increase/decrease in equilibrium price and quantity. Thanks :)

How would you properly construct an extended response to explain what happens in curves like an increase in demand. I have the general idea of what happens but don't think that's anywhere enough info to write an extended response. Thank you :)

In Simple Harmonic Motion questions involving tides when forming an equation like x=a - b cos(nt), how do i tell when to use + or - ? Thank you

Hey How come when i try to graph sqrt(2) cos(2x+pi/4) I can't simply draw sqrt(2) cos(2x) and shift the curve to the left by pi/4. I think the curve is being shifted to the left by pi/8 but I don't properly understand why. Thanks :)

Hi, Does anyone know any hard inverse function or trig questions? Thanks :)