anonymous
  • anonymous
how do i draw a vector function of <3sint, cost> ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
are you using MATLAB?
anonymous
  • anonymous
what's MATLAB?
anonymous
  • anonymous
if your in college you must be knowing that, its a software for solving everything :) known as MATRIX lab or matlab and your vector function could have been drawn on that easily

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anonymous
  • anonymous
Oh. well this is my first math class since high school, and im having trouble remembering everything and my book isnt doing me much justice..so how do i get there?
anonymous
  • anonymous
i guess phasor diagram can be plotted of the function that you have given but vector function is kinda complex :/ to draw , you gotta use software
anonymous
  • anonymous
but i have to draw it on paper...
anonymous
  • anonymous
are you a math major?
anonymous
  • anonymous
supposedly...now im not so sure...i cant even comprehend calc 3
anonymous
  • anonymous
don't worry you can go through that i've forgotten this, lemme see how much i can do here :/
anonymous
  • anonymous
okay thanks! like i dont even know where to begin..
anonymous
  • anonymous
got it, just use different values of t and put it in your function, you can draw vector function easily, lets say at t=30 degrees ,find value of 3 sint which is = 3 * 1/2 and value of cos t = cos 30 = sqrt 3/ 2 so you got a pair that is \[(\frac{ 3 }{ 2 }, \frac{ \sqrt 3 }{ 2 } )\] similarly find value of your function at lets say t=45 your gona get 3 sin t = 3 sin 45 = 3/ sqrt 2 and cos 45 = 1/ sqrt 2 \[(\frac{ 3 }{ \sqrt2 }, \frac{ 1 }{ \sqrt2 })\] now just plot it on graph paper ;)
anonymous
  • anonymous
did you get this ? @destinie
anonymous
  • anonymous
yes im trying to decipher and make sense of it but thank you sooooo much!
anonymous
  • anonymous
yeah i think i understand how to plot them, but since they are a vector function, isnt it supposed to be a vector? or do i plot them and then thats the vector? and i attend IUS lol nice to meet you!
anonymous
  • anonymous
|dw:1358912629689:dw| the line that i have shown by arrow is the only line just find out values at t= pi/4, pi/2 and pi finally you are done ;)
anonymous
  • anonymous
thank you so much! ur a life savor
anonymous
  • anonymous
your welcome :)

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