- #1
samee
- 60
- 0
Homework Statement
Determine the location and type of all critical points of the given equations and sketch the phase portrait
y"+cosy=0
The Attempt at a Solution
I've done some like this before but they were all systems of equations. I'm actually not sure how to do the simpler version >_< I think this is asking for maxima and minima? is that right?