Question

The displacement y of a particle varies with time t, in
seconds, as
y = 2 cos (pi t + pi/6).
The time period of the oscillations is
(1) 2sec (3) 4sec (3) 1sec (4) 0.5sec
​

Answer 1

Answer:

4 is the answer please mark as brainlest answer and thank all my answer please

Answer 2

4+8-8 _@5927'/+67 -52 =1005