When Tuning a Piano,a Technician Strikes a Tuning Fork for the a Above

When tuning a piano,a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by ​
Y = 0.001 sin 880πt,
​
Where t is the time (in seconds) .
​
What is the period of the function?
​

A) $\frac { 1 } { 880 }$ sec
B) 440 sec
C) $\frac { 1 } { 440 }$ sec
D) 880 sec
E) 88 sec

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free