anonymous
  • anonymous
I'm at the moment studying complex numbers and having some troubles converting polar form to a+bi form. The problem is that I can't find the numerical representation of ex. sin 2pi/3 which is sqrt(3)/2. Is there any general way to figure this out or do I have to memorize the most common ones and hope I don't need more on future tests?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@TuringTest
TuringTest
  • TuringTest
you want a way to know that \(\sin\frac{2\pi}3=\frac{\sqrt3}2\) aside from memorization?
anonymous
  • anonymous
Exactly

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TuringTest
  • TuringTest
there really isn't a good one, no. You just have to memorize the special values unfortunately...
TuringTest
  • TuringTest
http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdfhttp://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf
anonymous
  • anonymous
Ok, that was all i wanted to know, thank you! :)
TuringTest
  • TuringTest
welcome!

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