Show that the curves r1(t) = t sin ti + t cos tj + tk , /2
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Question:
Show that the curves r1(t) = t sin ti + t cos tj + tk , −π/2 ≤ t ≤ π/2 and
r2(s) = si + sin sk, −π/2 ≤s ≤ π/2 intersect only at the origin and find the angle with which they intersect.
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