Question

a) Find the arc length of the following function: r(t) = (t^2, cost+tsent,sent−t cost) where, $0\leq t\leq \pi$

b) Calculate the curvature of the function r(t) = (3 cost, 4sent, t), When t=$\frac{\pi }{2}$

Answer 1

the length of the arc is the answer it may be any thin

Step-by-step explanation:

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