Question: The curves r 1 (t) = (t, t 2 , t 3 )and r 2 (t) = (sin t, sin 2t, t) intersect at the

The curves r1(t) = (t, t2, t3)and r2(t) = (sin t, sin 2t, t) intersect at the origin. Find their angle of intersection correct to the nearest degree.

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