Question: Find the acute angle between the intersecting lines x = 2 t , y = 8 t , z = - 4 t and x

Find the acute angle between the intersecting lines x=2t,y=8t,z=-4t and x=-4t,y=182t,z=8t.
The angle is radians.
(Round to the nearest thousandth as needed.)
Find the acute angle between the intersecting

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