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  1. upishcat

    Help me this one complex number question

    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.
  2. upishcat

    Related text assessment! HELP!!!

    MUDAMUDAMUDAMUDA! WRYYYYY!
  3. upishcat

    Need a practice test based on mathematical induction and trig. equations 3U

    If anyone has any papers based on mathematical induction and trigonometric equations for 3U would be much appreciated.
  4. upishcat

    Atar

    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...
  5. upishcat

    99.90 ATAR 99 4U, 99 3U JAMES RUSE, Harvard Physics Phd, 5+ yr experience

    Hello do you still have a spot in your class for 3U or are you full?
  6. upishcat

    THSC IS DOWN...OH NOOOOOOOOOO!!!...WHAT NOW????

    I seem to be getting a folder is not accessible error when I press the links.
  7. upishcat

    Doing past papers by topic all in one go or spread over the year?

    Do you mind if i can get some of the practice papers?
  8. upishcat

    Previous year practice tests

    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.
  9. upishcat

    THSC IS DOWN...OH NOOOOOOOOOO!!!...WHAT NOW????

    Hello can you put up the 2U and 3U Maths internal tests please?
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