# parametric equations

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• October 2nd 2012, 05:31 PM
pnfuller
parametric equations
a curve C is defined by the parametric equations x=t2 and y=t3-3t

show that C has two tangents at the point (3,0) and find their equations

please help with step by step ways to work it out!
• October 2nd 2012, 11:39 PM
MarkFL
Re: parametric equations
Hint: use $\frac{dy}{dx}=\frac{dy}{dt}\cdot\frac{dt}{dx}$