Consider a spatial curve in three-dimensional space given

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 ≤ π The length of the curve is ___________.
π 2

The length of the curve

= 1.8622

z(t) =	2	t , 0 ≤ t ≤	π	The length of the curve is ___________.
	π		2