Asked by Ally
Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)
Answers
Answered by
Reiny
Recall that cosØ = x/r
but we are given that x = cosØ
then y = cos^2 Ø + 8cosØ
y = x^2 + 8x
but we are given that x = cosØ
then y = cos^2 Ø + 8cosØ
y = x^2 + 8x
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