exo7 5007

$x=4t^5-4t^3+t$, $y=\dfrac{t}{3t^4+1}$

$x=2\cos^2t+\ln|\sin t|$, $y=\sin 2t$

$x=\sqrt{\dfrac{t^2-2}{t^4-1}}$, $y=tx$

$x=\dfrac{t^3-t}{2t-1}$, $y=tx$

$x=\dfrac1t+\dfrac1{t+1}$, $y=\dfrac1t+\dfrac1{(t+1)^2}$

$x=\sin \dfrac t2$, $y=\tan t$

$x=\dfrac1t+\dfrac1{t+1}$, $y=\dfrac1t-\dfrac1{t+1}$

$x=\dfrac{3t}{1+t^3}$, $y=tx$

$x=\dfrac{te^t}{t+1}$, $y=\dfrac{e^t}{t+1}$

$x=2t^3+3t^2$, $y=3t^2+6t$

$x=t^3-3t$,

$x=\dfrac t{t^2-1}$, $y=\dfrac{t^2}{t-1}$