Question

Valeria is playing with her accordion. The length of the accordion A(t)
(in cm) after she starts playing as a function of time t (in seconds) can
be modeled by a sinusoidal function.
At t = 0, the accordion is 15 cm long, which is the shortest it
gets.
3 seconds later the accordion is at its largest length of 27 cm

Answer 1

Answer:

This is very important question please someone give answer