Question: Give a parameter interval that traces the curve exactly once. x = 7 sin t ? sin (7 t ),? y = 7 cos t

Give a parameter interval that traces the curve exactly once.

x = 7 sin t ? sin (7 t ),? y = 7 cos t ? cos (7 t )

(a) (c) (b) (d)

(a) (c) (b) (d)

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