The period of is
Explanation for the correct option:
Step 1: Calculate the period of the first term.
The given function is,
We know that,
Period of
Period of
Period of
Period of
Step 2: Calculate the period of the second term.
Again, we know that,
Period of
Period of
Period of
Period of
Step 3: Calculate the period of the given function.
Now, the period of the first term is and that of the second term is .
So, the period of the given function can be calculated as,
Period of
Period of
Hence, option is the correct option.