Question

Convert to a rectangular equation by eliminating the parameter:
x=sin(theta)
y=(cos theta)^2
from y = cos^2 Ø
y = 1 - sin^2 Ø
sin^2 Ø = 1-y
sinØ = √(1-y)

so sinØ = x and sinØ = √(1-y) , so

x = √(1-Y)
or
x^2 = 1-y

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