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dumbsearch2
 one year ago
TRIGONOMETRY:
Write z = the square root of 3 minus i. in abbreviated trigonometric form.
dumbsearch2
 one year ago
TRIGONOMETRY: Write z = the square root of 3 minus i. in abbreviated trigonometric form.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0fist find the magnitude?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[Z=x+i y\] \[Z=\sqrt{x^2+y^2}\]

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0So I just plug in y as 1 and x as root(3)? That's all there is to it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\Theta=\tan^{1}(\frac{ y }{ x }) =\]\[\Theta=\tan^{1}(\frac{ 1 }{ \sqrt{3} })=30^0\] in fourth quarter

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1441111202672:dw

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0I did: Z = root((root(3))^2+(1)^2) and I found: Z = 2. What now?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0complex number: magnitude + angle

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0How should I proceed? I found that Z = 2.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0this the magnitude, and now we should find the angle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\Theta=\tan^{1}(\frac{ y }{ x }) =\]\[\tan^{1}(\frac{ 1 }{ \sqrt{3} })=30^0\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[Z=x+iy=re^{i \theta}=r(\cos \theta+isin \theta)\]=\[rCis\] and\[r=Z\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\theta=30^0=330^0\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Plug values of r & θ in: (rCis θ)

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0Thank you so much! Most importantly, I know how to do the problem by myself now, in the clear manner in which you explained it... thanks a million!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@dumbsearch2 no problem, you are welcome in any time.

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0I want to do the same thing for the next problem: "Write z = 5 in abbreviated trigonometric form." However, why isn't there an i? Also how can I find the x and the y for the magnitude if there is only one variable (5)?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I finished complex course since 1 year only. it is interesting.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1441112765839:dw not 0

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.05 cis 180 degrees is the solution

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0because a straight line is 180 degrees

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0not, the angle is counted from positive xaxis

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0A. 5 cis 180 degrees B. 5 cis 0 degrees C. root(5) cis 180 degrees D. 25 cis 0 degrees

dumbsearch2
 one year ago
Best ResponseYou've already chosen the best response.0thank you, I understand now.
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