• Best of luck to the class of 2024 for their HSC exams. You got this!
    Let us know your thoughts on the HSC exams here
  • YOU can help the next generation of students in the community!
    Share your trial papers and notes on our Notes & Resources page
MedVision ad

Search results

  1. S

    Help on question!

    Having a bit of trouble with some complex numbers! I was able to do the first bit: Find the roots of z^4+1=0 and show them in an Argand diagram and resolve z^4 into real real quadratic factors. But then got stuck on deduce that: cos2theta =2(costheta- cos pie/4) (cos theata-cos3pie/4) If ya...
Top