Friday
April 18, 2014

Homework Help: Calculus

Posted by Allison on Saturday, March 12, 2011 at 9:19pm.

a)
Find a Cartesian equation relating and corresponding to the parametric equations: x=2sin(3t), y=9cos(3t).
Write your answer in the form P(x,y)=0, where P(x,y) is a polynomial in x and y, such that the coefficient of y^2 is 4.

b)Find the equation of the tangent line to the curve at the point corresponding to t=pi/9

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