Write the corresponding rectangular equation for the following parametric equation by eliminating $t$. Draw a graph of the plane curve using the rectangular equation. Indicate the direction of the curve that is obtained by using arrows that correspond to the increasing values of $t$.
$x=4\sin t,y=4\cos t$; $0\leq{t}\lt{2\pi}$

• A. $x^2+y^2=16$
• B. $x^2+y^2=16$
• C. $x^2+y^2=4$
• D. $x^2+y^2=4$

Answer: (A)