Which functions of x and y in terms of time t can be derived from this rectangular equation? (x^2/4)+y^2=1

A.

x = 2sin t, y = -cos t

B.
x = sin t, y = 5cos t

C.
x = sin t, y = 2cos t

D.
x = -sin t, y = 2cos t

E.
x = 2sin t, y = 5cos t

1 answer

Looks like (A) to me

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