Find the vertices of α(t) = 1 - 2 cos(t)
I know that to find the vertices we have to set the curvature equal to zero.
Curvature = ||α'(t) x α''(t)|| / (||α'(t)||^3)
I know the first and second derivative of α. But I feel like I am missing something. Should I do a step before taking the...