Question

For the curve x = sint - tcost, y = cost + tsint, z = t2...

For the curve x = sint - tcost, y = cost + tsint, z = t2

find the arc length between (0, 1, 0) and (-2π, 1, 4π2)

I have gotten down to tsqrt(5) but how am I supposed to assign the bounds given 3 variables in space and not only 2?

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