- #1
applestrudle
- 64
- 0
Homework Statement
find the length of a circular helix expressed in parametric form x= cos(t), y=sin(t) and z = t
from t = 0 to t =2pi
Homework Equations
L = integrate ds
(ds)^2 = (dx)^2+(dy)^2+(dz)^2
The Attempt at a Solution
I got to ds = (1 + (dt)^2)^0.5
but I can't integrate as the dt is squared and inside the square root.
:(