anonymous
  • anonymous
parametric equation x=sin2x-x, y=cos2x+2sinx show that dy/dx=2cosx/1+2sinx
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
i only can do till (2cosx-2sin2x)/(2cos2x-1)
welshfella
  • welshfella
its more likely to be x = sin 2t - t and y = cos 2t + sin 2t
welshfella
  • welshfella
- there must be a third variable

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welshfella
  • welshfella
t will do as good as anything
welshfella
  • welshfella
find dx/dt and dy/ty then dy/dx = dy/dt / dx/dt
anonymous
  • anonymous
|dw:1440025670660:dw|
anonymous
  • anonymous
if this
anonymous
  • anonymous
delta
welshfella
  • welshfella
dx / dO = 2 cos 2O - 1 dy/dO = -2 sin 2O + 2 cos O
anonymous
  • anonymous
Look my friend
1 Attachment
anonymous
  • anonymous
show that dy/dx=|dw:1440025934664:dw|
anonymous
  • anonymous
Did you get it?
anonymous
  • anonymous
haha u writing no clear can do again for me?XD
welshfella
  • welshfella
i cant read that
anonymous
  • anonymous
Ok ill write it again
anonymous
  • anonymous
THX
anonymous
  • anonymous
Look
1 Attachment
welshfella
  • welshfella
yea that's it
welshfella
  • welshfella
i'm too tired for any more math its late in UK..
welshfella
  • welshfella
can you see it @kevlines?
anonymous
  • anonymous
ya thx guys
welshfella
  • welshfella
yw
welshfella
  • welshfella
good night
anonymous
  • anonymous
Haahhaha also at my place its 1:23 am 😂 and its summer and i dont know why I open this app everyday 😂 Mathh 🙌
welshfella
  • welshfella
yea haha
anonymous
  • anonymous
any 1 still here?
anonymous
  • anonymous
Tell me

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