Can you remove the parameter of (sin(t) , sin(t)cos(t))

Question

sin(t) , sin(t)cos(t) is the parametrization of a curve C

Answer 1

x = sint

y = sintcost

y² = sin²tcos²t

y² = sin²t(1 - sin²t)

y² = x²(1 - x²)

y² = x² - x⁴

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