The parametric equations x = cos t, y = sin t, for t in
Chapter 8, Problem 54(choose chapter or problem)
The parametric equations x = cos t, y = sin t, for t in 30, 2p4 and the parametric equations x = cos t, y = -sin t, for t in 30, 2p4 both have the unit circle as their graph. However, in one case the circle is traced out clockwise (as t moves from 0 to 2p), and in the other case the circle is traced out counterclockwise. For which pair of equations is the circle traced out in the clockwise direction?
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