How do I find the period of this function? g(t) = cos (4t) + sin (t)
May 3, 2009 #2 djeitnstine Gold Member 614 0 Graph it and check? Or would you rather do it by analysis.
May 4, 2009 #4 HallsofIvy Science Advisor Homework Helper 43,021 971 sin t is periodic with fundamental period [itex]2\pi[/itex] and cos 4t is periodic with fundamental period [itex]\pi/2[/itex]. Since [itex]2\pi= 4(\pi/2)[/itex], [itex]2\pi[/itex] is also a period of cos 4t.
sin t is periodic with fundamental period [itex]2\pi[/itex] and cos 4t is periodic with fundamental period [itex]\pi/2[/itex]. Since [itex]2\pi= 4(\pi/2)[/itex], [itex]2\pi[/itex] is also a period of cos 4t.