The general form of tehf unction is
.
The function is 
Cconsider the above two equations
.
The period of the function is 
Period of the function
is
.
The period of the function
.
The function is
.
Consider the above two equations
.
Period of the function
is
.
The period of the function
.
The period of function
is four times to the period of the function
.
False.