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Graph the complex number and express it in rectangular form:

10(cos6 + i sin6)

I'm confused because it doesn’t specify whether 6 is an angle or not.

i as in the imaginary number!!

 May 22, 2018
 #2
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I suspect the 6 should be \(\theta\), in which case we have: \(f(\theta)=10(\cos\theta+i\sin\theta)\)

 

This is already in rectangular form!  In polar form it is: \(f(\theta)=10e^{i\theta}\)

.
 May 22, 2018

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