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y=4cos2θ+1 how do you  grapth this? It's a sine wave.

 Apr 24, 2014

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 #3
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You should know what y=cosx looks like

That is your starting point

y=4cos(nθ)+1theamplitudeis4Theperiodis2π/n The 1 on the end mean that the whole graph is raised 1 unit  so instead of it being centred on the x axis (y=0) it is centred on y=1

 Apr 24, 2014
 #1
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CPhill Apr 24, 2014
 #2
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Chris, how are you entering attachments - are they straight off the net?

 Apr 24, 2014
 #3
avatar+118710 
+5
Best Answer

You should know what y=cosx looks like

That is your starting point

y=4cos(nθ)+1theamplitudeis4Theperiodis2π/n The 1 on the end mean that the whole graph is raised 1 unit  so instead of it being centred on the x axis (y=0) it is centred on y=1

Melody Apr 24, 2014

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