# Calculus exam review, PLEASE HELP!!

posted by
**stephanie**
.

find the angle between these lines

[x,y,z] = [3,4,1] + s[-1,5,-2]

[x,y,z] = [8,5,-9] + t[2,3,-6]

posted by
**stephanie**
.

find the angle between these lines

[x,y,z] = [3,4,1] + s[-1,5,-2]

[x,y,z] = [8,5,-9] + t[2,3,-6]