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HELP! A Parametric Equations Question (1 Viewer)

ArtOfLosing

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Oct 27, 2005
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Canberra
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2006
Any help will be muchly appreciated.

Find the cartesion equation of the curve who's parametric equations are:
x=sin2t
y=cost
[hint: sin2t= 2sintcost]


thanks in advance... :)
 

shafqat

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Aug 20, 2003
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ArtOfLosing said:
Any help will be muchly appreciated.

Find the cartesion equation of the curve who's parametric equations are:
x=sin2t
y=cost
[hint: sin2t= 2sintcost]


thanks in advance... :)
x^2 = 4(sint)^2(cost)^2
= 4y^2(1 - y^2)
 

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