Question

Example 14.2 Which of the following
functions of time represent (a) periodic and
(b) non-periodic motion? Give the period for
each case of periodic motion ſwis any
positive constant].
(1) sin wt + cos wt
(ii) sin wt + cos 2 wt + sin 4 wt
(iv) log (wt)​

Answer 1

Answer:

1)sin wt+ cos wt or 2) sin wt+ cos2wt+sin4wt