- #1

Niles

- 1,868

- 0

## Homework Statement

Hi guys

Say I have an equation of the form

f(x) = cos(x)+cos(0.2x),

and I wish to find the solutions

*x*. When I plot this graph, I see multiple solutions, but there is no apparent period for the solutions. Are all the solutions equally valid, or can some be discarded?