Question: Let r(t) = (sin t, cos t, sin t cos 2t) be a parametrization of the curve shown in Figure 11. Show that the projection

Let r(t) = (sin t, cos t, sin t cos 2t) be a parametrization of the curve shown in Figure 11.

X -N

Show that the projection of r(t) onto the xz-plane is the curve

z = x - 2x for -1x1

X -N

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