Find a rectangular equation for the plane curve defined by the parametric equations.x = 8 sin t, y = 8 cos t; 0 ? t ? 2?

A. y2 - x2 = 64; for x in -? < x < ?
B. y = x2 - 9; for x in -2 ? x ? 2
C. y =  = 64; for x in -? < x < ?
D. x2 + y2 = 64; for x in -8 ? x ? 8


Answer: D

Mathematics

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