(1) Answers
[latex]the\ period\ cosx\ is\ 2\pi\\\\the\ period\ 3cosx\ is\ 2\pi\\\\the\ period\ 3cos2x\ is\ 2\pi:2=\pi\leftarrow Answer[/latex]
Add answer
Sign in
Sign up
[latex]the\ period\ cosx\ is\ 2\pi\\\\the\ period\ 3cosx\ is\ 2\pi\\\\the\ period\ 3cos2x\ is\ 2\pi:2=\pi\leftarrow Answer[/latex]