1.

Consider a spatial curve in three-dimensional space given in parametric form by x(t) = cos t, y(t) = sin t,
z(t) =
2
t , 0 t
The length of the curve is ___________.
2

A. 0.8622
B. 1.8622
C. 11.8622
D. 1.81622
Answer» C. 11.8622


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