Asked by Liz
Convert to a rectangular equation by eliminating the parameter:
x=sin(theta)
y=(cos theta)^2
x=sin(theta)
y=(cos theta)^2
Answers
Answered by
Reiny
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
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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