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satellite73Best ResponseYou've already chosen the best response.0
multiply the angle by three
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
\[\cos(\frac{3\pi}{4})+i\sin(\frac{3\pi}{4})\]
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
you also have to cube the modulus, but since it is one you just get one, so you can ignore that part now if you want to write this in standard form as \(a+bi\) evaluate the functions and see what you get
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
\[(\cos(\theta)+i\sin(\theta))^n=\cos(n\theta)+i\sin(n\theta)\] that is what makes this so easy
 one year ago
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