I turned z1 and z2 into modulus argument form so I got z1 = cos(pi/2)+isin(pi/2) and z2= cos(pi/4)+isin(pi/4) but I dont know how to prove arg(z1+z2) as I had never seen this identity before.
If you are in not the top percentage yet then that means your current 'natural intelligence' is not sufficient enough enough for year 10 standards let alone year 11 or 12. However if you find learning and absorbing things easy then I highly recommend starting a proper study routine where you do...
Hey guys Im one of the year 12 students for 2020 and I have any upcoming extension 1 maths tests coming in roughly 2 weeks from now. I would just like to ask if anyone has Assessment task 1 previous year tests for me to practice on. Any help would be much appreciated.