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Find the quotient of the following problem.
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\[12(\cos pi/4+i \sin pi/4) ÷ 4(\cos 3pi/2 + i \sin 3pi/2)\]
The answer I got was: 12/4[cos(3pi/4)+i sin(3pi/4)] Is my answer correct?
Im going to give you some links here http://www.wolframalpha.com http://thepiratebay.se/torrent/6260039/Wolfram_Mathematica_8.0.1_for_Windows___Keygen
these great erm..."free" resources will not only allow you to check your answers for any expressions theyll allow you to see steps in the case of the latter link
these are "CAS" calculators Comuter algebra systems
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Hint: use the idea that r*cis(theta) = r*e^(i*theta)
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